advanced equipment.Long time nitriding treatment for 7days and nights greatly ensure the hardness and lifetime of its products. advanced equipment.Long time nitriding treatment for 7days and nights greatly ensure the hardness and lifetime of its products. Concrete Delivery Cylinder,Concrete Pump Delivery Cylinder,Delivery Cylinder,Concrete Pump Spare Parts Delivery Cylinder Changzhou Chengxin Metal Products Co., Ltd , https://www.chengxinsteeltube.com
Our Advantages :Â
1. ISO 9001:2000, GSG, SGS, CE, Production Assessment, Gold Supplier certificated
2. All products will be examined and tested before delivery by 5 professional engineers (with more than 20 years machine experience)
3. Perfect after-sale system,(Engineers available to service machinery overseas )
4. Prompt Reply Within 12 Hours
Main technical parameters:
 CNC milling central :
It owns many computer-control CNC milling machines in length 8000mm
In Fanuk series, 18000mm length deep hole drilling machine and otherÂ
Technological Process:
Blanking, Rough Machining, Quenching & Tempering, Semi Finishing Machining, Finished Product, DetectingNitring/Alloy Processed, Finish Machining
Packing for Stainless steel screw and barrel
1) Wooden case package
2) Plastic film package
3) Suitable to transportation
4) As buyer request
5) One piece into one package
FAQ
Q1:What are we?
A:We are factory, with license of import and export goods by ourself.
Q2:How to get to us?
A:The nearest airport is Wenzhou airport, and the nearest train station is Ruian station.
Q3:How do we control the quality of screw barrel?
A:We have professional engineer and staffs to check every detail and dimensions from the raw materail, nitrding treatment and super grinding. We do the crucial nitriding treatment by ourself,
Company view :
Dear customer, if you already have suppliers or are looking forsuppliers, have a try to believe us, we are sincerely welcome you and want to cooperate with you.
Our Advantages :Â
1. ISO 9001:2000, GSG, SGS, CE, Production Assessment, Gold Supplier certificated
2. All products will be examined and tested before delivery by 5 professional engineers (with more than 20 years machine experience)
3. Perfect after-sale system,(Engineers available to service machinery overseas )
4. Prompt Reply Within 12 Hours
Main technical parameters:
 CNC milling central :
It owns many computer-control CNC milling machines in length 8000mm
In Fanuk series, 18000mm length deep hole drilling machine and otherÂ
Technological Process:
Blanking, Rough Machining, Quenching & Tempering, Semi Finishing Machining, Finished Product, DetectingNitring/Alloy Processed, Finish Machining
Packing for Stainless steel screw and barrel
1) Wooden case package
2) Plastic film package
3) Suitable to transportation
4) As buyer request
5) One piece into one package
FAQ
Q1:What are we?
A:We are factory, with license of import and export goods by ourself.
Q2:How to get to us?
A:The nearest airport is Wenzhou airport, and the nearest train station is Ruian station.
Q3:How do we control the quality of screw barrel?
A:We have professional engineer and staffs to check every detail and dimensions from the raw materail, nitrding treatment and super grinding. We do the crucial nitriding treatment by ourself,
Company view :
Dear customer, if you already have suppliers or are looking forsuppliers, have a try to believe us, we are sincerely welcome you and want to cooperate with you.
Model NO.: SJ70
Place of Origin: Zhejiang China
Base Material: 38crmoaia,42CrMo
Tempering Hardness: 240-280hv
Depth of Nitrogen Layer: 0.6-0.8mm
Roughness of The Surface: Ra0.4um
Straightness of Screw: 0.015
Depth of Alloy: 2.5mm-4mm
Trademark: Yumin
Transport Package: Wooden Box
Specification: CE, SGS, TUV, BV
Origin: Ruian
HS Code: 8477900000
Model NO.: SJ70
Place of Origin: Zhejiang China
Base Material: 38crmoaia,42CrMo
Tempering Hardness: 240-280hv
Depth of Nitrogen Layer: 0.6-0.8mm
Roughness of The Surface: Ra0.4um
Straightness of Screw: 0.015
Depth of Alloy: 2.5mm-4mm
Trademark: Yumin
Transport Package: Wooden Box
Specification: CE, SGS, TUV, BV
Origin: Ruian
HS Code: 8477900000