CN104532141B - A kind of two-phase stainless Steel material and preparation method thereof and the application in submersible electric pump leaf, guide wheel - Google Patents
A kind of two-phase stainless Steel material and preparation method thereof and the application in submersible electric pump leaf, guide wheel Download PDFInfo
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- CN104532141B CN104532141B CN201410835078.5A CN201410835078A CN104532141B CN 104532141 B CN104532141 B CN 104532141B CN 201410835078 A CN201410835078 A CN 201410835078A CN 104532141 B CN104532141 B CN 104532141B
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 title claims abstract description 31
- 239000010935 stainless steel Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 238000003723 Smelting Methods 0.000 claims abstract description 6
- 241000209140 Triticum Species 0.000 claims abstract description 3
- 235000021307 Triticum Nutrition 0.000 claims abstract description 3
- 239000004411 aluminium Substances 0.000 claims abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 3
- 235000019362 perlite Nutrition 0.000 claims abstract description 3
- 239000010451 perlite Substances 0.000 claims abstract description 3
- 239000010902 straw Substances 0.000 claims abstract description 3
- 238000005266 casting Methods 0.000 claims description 14
- 238000013461 design Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005422 blasting Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 239000011044 quartzite Substances 0.000 claims 1
- 238000010791 quenching Methods 0.000 claims 1
- 230000000171 quenching effect Effects 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 23
- 229910052759 nickel Inorganic materials 0.000 description 11
- 229910001018 Cast iron Inorganic materials 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012797 qualification Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
Application the present invention relates to a kind of two-phase stainless Steel material and preparation method thereof and in submersible electric pump leaf, guide wheel, the two-phase stainless Steel material is by weight percentage：C：≤ 0.04%；Mn：≤ 1.0%；Si：≤ 1.0%；P：≤ 0.04%；S：≤ 0.04%；Cr：≤ 24.5%~26.5%；Ni：≤ 4.7%~6.0%；Mo：≤ 1.7%~2.3%；Cu：≤ 2.7%~3.3%；N：≤ 0.10%~0.25%；Balance of Fe, its preparation method：The each component for constituting two-phase stainless Steel material is put into capacity less (≤250kg) alkalescence middle frequency furnace by a certain percentage, using high-power fast melting, hot stove smelting time is 40 45 minutes, 1700 DEG C of smelting temperature 1680 DEG C, wherein, molten steel perlite Wheat straw mulching, respectively with fine aluminium silk deoxidation before and after coming out of the stove, consumption is 0.6% addition at twice, the two-phase stainless Steel material can be widely applied in submersible electric pump leaf, guide wheel, including K002 guide wheels, K018 impellers and N041 guide wheels etc..
Description
Technical field
The present invention relates to steel alloy material field, and in particular to a kind of two-phase stainless Steel material and preparation method thereof, this
Invention is related to application of the two-phase stainless Steel material in submersible electric pump leaf, guide wheel simultaneously.
Background technology
Submersible electric pump is essential in numerous oil drilling and extracting equipments, and its discharge capacity, pump efficiency, corrosion resistance, service life
Deng mainly being determined by leaf, guide wheel, the submersible electric pump leaf of big-and-middle-sized drilling-production equipment, guide wheel material are all with nickelic casting both at home and abroad at present
Based on iron, there is excellent corrosion resistance, abrasion resistance and outstanding comprehensive mechanical performance mainly due to high nickel cast iron, in state
The inside and outside manufacture for being widely used in submersible electric pump leaf, guide wheel.However, world's nickel resources are short, international nickel high price result high is given
Domestic submersible electric pump production industry brings very big difficulty, and the alloy material for needing developing new from long term growth replaces high nickel cast iron
It is used to manufacture submersible electric pump leaf, guide wheel.
The features such as two-phase stainless Steel material has corrosion-resistant, wear-resistant and outstanding comprehensive mechanical performance, is that this foreign countries is conventional
The sewage pump larger to manufacture build, the impeller or the pump housing of Pulp pump, recent year has had been introduced by this technology, has disappeared
Change during absorbing, and the current foreign countries of application of the technology in submersible electric pump are also only limited to the support in pump, bearing class is received
The application of power component, tends to as impeller and guide wheel are also simply a kind of, and specifically user has this hope for using and requirement, just
It is that this requirement promotes progress of the invention.
The content of the invention
The technical problem to be solved in the present invention there is provided a kind of two-phase stainless Steel material and preparation method thereof and in latent oil
Application in electric pump leaf, guide wheel, this kind of material has good mechanical performance, can be good at meeting submersible electric pump leaf, guide wheel
Manufacture.
In order to achieve the above object, the optimization formula that a kind of two-phase stainless Steel material of the invention determines, by following weight
The raw material of percentage is made：C：≤ 0.04%；Mn：≤ 1.0%；Si：≤ 1.0%；P：≤ 0.04%；S：≤ 0.04%；Cr：≤
24.5%~26.5%；Ni：≤ 4.7%~6.0%；Mo：≤ 1.7%~2.3%；Cu：≤ 2.7%~3.3%；N：≤
0.10%~0.25%；Balance of Fe.
The present invention relates to a kind of preparation method of two-phase stainless Steel material described above, first by group during its preparation
Each component into two-phase stainless steel material is got ready by a certain percentage, is subsequently placed into capacity less (≤250kg) alkalescence medium frequency electric
Stove, using high-power fast melting, hot stove smelting time is 40-45 minutes, 1680 DEG C -1700 DEG C of smelting temperature, wherein, molten steel
Perlite Wheat straw mulching is used, fine aluminium silk deoxidation is used before and after coming out of the stove respectively, consumption is 0.6% addition at twice.
The invention further relates to a kind of application of the two-phase stainless Steel material described above in submersible electric pump leaf, guide wheel, its
Two-phase stainless Steel material is comprised the following steps during being used to manufacture submersible electric pump leaf, guide wheel after melting：
A, for submersible electric pump leaf, guide wheel product be very high to runner surface smoothness requirements and not machined and two-phase
Stainless steel material Ultra-low carbon (C≤0.04%) makes molten steel flow poor, shrink it is big the characteristics of, shell mould selects waterglass, refine quartz
Sand, powder make, and are calcined within 4 hours through 900 DEG C；
B, hot-die, high temperature, Quick pouring, between 450 DEG C -600 DEG C, the pouring temperature of molten steel is controlled shell mould pouring temperature
At 1600 DEG C ± 20 DEG C, the duration of pouring of each shell mould is no more than 3 seconds, and concrete operations should be according to the dead head of each part
Design feature adjusting process scope；
C, casting and coupon are poured into a mould with stove molten steel, managed with furnace treatment, the technique for the treatment of be by by sand removal, the leaf of soda boiling,
Guide wheel blank is put into high temperature resistance furnace and is heated to 1080 DEG C, is incubated 2 hours, then casting is quenched cool down in water, takes out casting
Natural air drying, then carries out blasting treatment by its water passage surface afterwards, is defined by not seeing oxide layer visually.
The beneficial effects of the present invention are：A kind of two-phase stainless Steel material of the invention not only has corrosion-resistant well
The mechanical performance of property, abrasion resistance and synthesis, and two phase stainless steel resource compared with high nickel cast iron is more, cheaper, together
Submersible electric pump leaf, the conjunction of guide wheel that submersible electric pump leaf, guide wheel and the high nickel cast iron that Shi Liyong two phase stainless steels are produced are manufactured into
Lattice rate is higher.
Specific embodiment
It is explained in detail with reference to multiple embodiments of the invention, so that advantages and features of the invention can be more easy to
In being understood by the person skilled in the art, apparent clearly defined so as to be made to protection scope of the present invention.
Embodiment 1
A kind of application of two-phase stainless Steel material in submersible electric pump K002 guide wheels.
In the K002 guide wheel shell moulds for making, shell mould selects waterglass, 900 DEG C of note high temperature 4 hours to be calcined, then by two-phase not
Rust Steel material carries out the high-temperature molten steel injection shell mould of melting, wherein, shell mould temperature is not less than 450 DEG C, and casting ladle temperature is not less than 700
DEG C, pouring temperature is not less than 1600 DEG C, and 50 have as a result been poured altogether, wherein 45 is blank finished product, has molten steel in 5 runners residual
Thing is stayed, is polished by specialty, there is one to scrap, 4 qualified, and qualification rate is higher than the like product that usual high nickel cast iron is poured into a mould.
K002 guide wheels (it is AM General company autocracy product that K series is our company) are that structure is very special in submersible electric pump guide wheel
Different casting, its runner is small to import and export sectional area spy, and centre is very big and degree of crook is very big, and this special construction draws shell
Hanging sand bring very big difficulty, after hanging up two-layer facing sand, import and export very little, the present invention is applied by improving surface layer
Feed powder, liquor ratio, reinforcing air-dry level, and strength mud jacking can be good at improving its intensity.
Embodiment 2
A kind of application of two-phase stainless Steel material in submersible electric pump K018 impellers.
In the K018 impeller shell moulds for making, the exquisite quartz sand of shell mould choosing, the roasting of 900 DEG C of note high temperature 4 hours then will be double
Phase stainless steel material carries out the high-temperature molten steel injection shell mould of melting, wherein, shell mould temperature is not less than 600 DEG C, and pouring temperature is not low
In 1620 DEG C, 50 have as a result been poured altogether, wherein 45 are blank finished product and clear up polishing by subsequent handling, it is qualified there are 45
Product, have basically reached the purpose of this trial-production, and blank qualification rate is higher than the like product that usual high nickel cast iron is poured into a mould.
K018 impellers, the average thickness of blade is 2mm, height 14mm, in the blocked up easy generation slot cover of upper and lower cover plates
Shrinkage cavity or loose, thin person's blade cold shut or misrun.Blade two is taken for the situation present invention pouring, in terms of rising head setting
Feeding simultaneously is poured into a mould on side simultaneously, and changing original molten steel must reach another deck design scheme through flowing through blade, it is commonly known that lose
Wax shell type is common to be poured, Feeder Design principle is that cast gate and rising head are connected together, while the center of gravity of whole shell mould to the greatest extent may be used
Hanging sand can cannot be otherwise realized because the intensity of wax-pattern is not high and shell mould is made by the center line of cast gate, solved very well
The feeding problem of casting, but the problem of blade misrun or cold shut is brought, to solve this problem, the present invention is specially improved
The pouring temperature of the pouring temperature of shell mould and molten steel, i.e. shell mould is not less than 600 DEG C, and the pouring temperature of molten steel is not less than 1620
DEG C, so as to greatly reduce the degree of supercooling of molten steel, preferably without casting ladle, directly it is directed at sprue cup with converter nose and pours into a mould.
Embodiment 3
A kind of application of two-phase stainless Steel material in submersible electric pump N041 guide wheels.
In the N041 guide wheel shell moulds for making, the exquisite quartz sand of shell mould choosing, the roasting of 900 DEG C of note high temperature 4 hours then will be double
Phase stainless steel material carries out the high-temperature molten steel injection shell mould of melting, wherein, shell mould temperature is not less than 450 DEG C, and casting ladle temperature is not low
In 700 DEG C, pouring temperature is not less than 1600 DEG C, and the present embodiment pours into a mould 50 products altogether, has 48 finished products, 2 through follow-up cleaning
For interior propeller boss misrun is judged to waste product, qualification rate is higher than the like product that usual high nickel cast iron is poured into a mould.
N041 guide wheels (N series is our company for Baker Hughes Inc. specializes in product) are another example hardly possiblies in guide wheel casting
The product of casting, its structure is that outer ring is drum-shaped, and section is upper thick and lower thin anchor ring, the thin place 6mm of 16mm at blank thickness,
Seven blade transitions to inner wheel hub, blade thickness 2-3mm are connect, blade is most higher by 15mm, and axis hole is up big and down small step, top bar
Hole is Φ 30, and for the ingates of Φ 20. are located at external cylindrical surface near thickness, molten steel must enter interior axle through flowing through blade in hole of getting out of a predicament or an embarrassing situation
Hub.Blade sake is high, and surface area is big, easily cools down, and interior propeller boss is thick and short, and is surrounded by surrounding molten steel, and radiating condition is very poor, and
Cannot get molten steel feeding hot enough, it is easy to cause shrinkage cavity or loose.It is set not produce shrinkage cavity, it is necessary to assure to flow through blade
Molten steel is in half curdled appearance, i.e., can continue to flow a segment distance under the promotion of pressure, then solidifies at once.Accomplish this
Some present invention done it is following some：
1. the allowance of inner circle is reduced as far as possible, realizes complete filling type to flow very difficult molten steel；
2. the pouring temperature of shell mould temperature and molten steel is limited, too high shell mould temperature and molten steel pouring temperature can all cause
Interior propeller boss produces big volume contraction and forms shrinkage cavity or loose, by repetition test shell mould temperature in 450 DEG C~500 DEG C, steel
Liquid pouring temperature is substantially all pourable shaping at 1500 DEG C~1600 DEG C, and does not produce shrinkage cavity；
3. pour soon, i.e., it is interior full of casting mold in 2~3 seconds, if even if more than 3 seconds castables, most of or shrinkage cavity
Or it is loose, this is probably the super upper limit of shell mould temperature, caused by molten steel pouring temperature is too high.
4. ingate sectional area is sufficiently large, and ingate sectional area of the present invention is seven the 2 of blade area sum times, so
Flowing through the molten steel of blade just has pressure to promote molten steel flow.
Three embodiments of the present invention all carry special test bar, after being processed according to above-mentioned Technology for Heating Processing with stove with casting
Obtain following results：
K002 guide wheels obtained respectively, K018 impellers, N041 guide wheels are respectively provided with well in embodiment 1 to embodiment 3
Mechanical performance, therefore, two-phase stainless Steel material can not only produce excellent submersible electric pump leaf, the guide wheel of mechanical performance, and two-phase
Stainless steel resource compared with high nickel cast iron is more, cheaper, while the submersible electric pump leaf produced using two phase stainless steel,
Guide wheel is higher with submersible electric pump leaf, the qualification rate of guide wheel that high nickel cast iron is manufactured into.
Claims (2)
1. application of a kind of two-phase stainless Steel material in submersible electric pump leaf, guide wheel, described two-phase stainless Steel material include with
Lower raw material number, in percentage terms：
C≤0.04%；Mn：≤ 1.0%；Si：≤ 1.0%；P：≤ 0.04%；S：≤ 0.04%；Cr：24.5%~26.5%；
Ni：4.7%~6.0%；Mo：1.7%~2.3%；Cu：2.7%~3.3%；N：0.10%~0.25%；Balance of Fe；
It is characterised in that it includes following steps：
A, shell mould select waterglass, purity quartzite, powder to make, and are calcined within 4 hours through 900 DEG C；
B, hot-die, high temperature, Quick pouring, at 450 DEG C -600 DEG C, the pouring temperature of molten steel is controlled at 1600 DEG C shell mould pouring temperature
± 20 DEG C, the duration of pouring of each shell mould is no more than 3 seconds, and concrete operations should be according to the dead head design feature of each part
Adjusting process scope；
C, casting and coupon are poured into a mould with stove molten steel, managed with furnace treatment, and handling process is that 1080 DEG C of insulations 2 are heated in resistance furnace
Hour, cooled down in water of directly quenching, by blasting treatment.
2. application of the two-phase stainless Steel material according to claim 1 in submersible electric pump leaf, guide wheel, it is characterised in that
The preparation method of described two-phase stainless Steel material is comprised the following steps：The each component that two-phase stainless Steel material first will be constituted presses one
Certainty ratio is got ready, is subsequently placed into capacity≤250kg alkalescence middle frequency furnaces, and using high-power fast melting, hot stove smelting time is
40-45 minutes, 1680 DEG C -1700 DEG C of smelting temperature, wherein, molten steel perlite Wheat straw mulching uses fine aluminium respectively before and after coming out of the stove
Silk deoxidation, consumption is 0.6% addition at twice.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410835078.5A CN104532141B (en) | 2014-12-30 | 2014-12-30 | A kind of two-phase stainless Steel material and preparation method thereof and the application in submersible electric pump leaf, guide wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410835078.5A CN104532141B (en) | 2014-12-30 | 2014-12-30 | A kind of two-phase stainless Steel material and preparation method thereof and the application in submersible electric pump leaf, guide wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104532141A CN104532141A (en) | 2015-04-22 |
| CN104532141B true CN104532141B (en) | 2017-06-27 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62250155A (en) * | 1986-04-23 | 1987-10-31 | Nippon Kokan Kk <Nkk> | Two-phase stainless steel having superior corrosion resistance in crude phosphoric acid |
| JPH08120413A (en) * | 1994-10-26 | 1996-05-14 | Yasuki Seisakusho:Kk | Casting member of two-phase stainless steel and its production |
| JPH08260101A (en) * | 1995-03-20 | 1996-10-08 | Sumitomo Metal Ind Ltd | Welding material for welding dual phase stainless steel, having high corrosion resistance and high toughness |
| JPH1180901A (en) * | 1986-04-28 | 1999-03-26 | Nkk Corp | Duplex stainless steel excellent in pitting corrosion resistance |
| CN101418411A (en) * | 2007-10-25 | 2009-04-29 | 浙江振兴石化机械有限公司 | Low nickel cast iron and preparation method thereof and use thereof in impeller |
| CN103909227A (en) * | 2014-04-04 | 2014-07-09 | 含山县荣盛机械铸造有限公司 | Processing method of common casting pieces |
-
2014
- 2014-12-30 CN CN201410835078.5A patent/CN104532141B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62250155A (en) * | 1986-04-23 | 1987-10-31 | Nippon Kokan Kk <Nkk> | Two-phase stainless steel having superior corrosion resistance in crude phosphoric acid |
| JPH1180901A (en) * | 1986-04-28 | 1999-03-26 | Nkk Corp | Duplex stainless steel excellent in pitting corrosion resistance |
| JPH08120413A (en) * | 1994-10-26 | 1996-05-14 | Yasuki Seisakusho:Kk | Casting member of two-phase stainless steel and its production |
| JPH08260101A (en) * | 1995-03-20 | 1996-10-08 | Sumitomo Metal Ind Ltd | Welding material for welding dual phase stainless steel, having high corrosion resistance and high toughness |
| CN101418411A (en) * | 2007-10-25 | 2009-04-29 | 浙江振兴石化机械有限公司 | Low nickel cast iron and preparation method thereof and use thereof in impeller |
| CN103909227A (en) * | 2014-04-04 | 2014-07-09 | 含山县荣盛机械铸造有限公司 | Processing method of common casting pieces |
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| CN104532141A (en) | 2015-04-22 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: The invention relates to a duplex stainless steel material, a preparation method thereof and its application in electric submersible pump blades and guide wheels Effective date of registration: 20211222 Granted publication date: 20170627 Pledgee: Wenzhou Financing Guarantee Co.,Ltd. Pledgor: ZHEJIANG ZHENXING PETROCHEMICAL MACHINERY Co.,Ltd. Registration number: Y2021110000104 |
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Granted publication date: 20170627 Pledgee: Wenzhou Financing Guarantee Co.,Ltd. Pledgor: ZHEJIANG ZHENXING PETROCHEMICAL MACHINERY Co.,Ltd. Registration number: Y2021110000104 |
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