黑人日本一区9区,无码被窝影院午夜看片爽爽jk ,免费爱碰视频在线观看,日韩一区二区三区精品色网视频,亚洲Aⅴ精品无码无卡在线观看,成人高潮AAA一级毛片免费,人成在线视频国产

Welcome to Ningbo Qinggang Standard Parts Co., Ltd.'s website!
Professional inStainless steelStandard PartsHave a professional testing equipment
Hotline:0574-87339588

Hot keywords:Stainless steel nut,Stainless steel hole,Stainless steel axle

Specializing in the production and operation of various stainless steel standard partsComprehensively meet custom needs of different customers
Qinggang - specializing in the production and operation of various stainless steel standard partsProvide a solution for you
Qinggang stainless steel standard partsSpecializing in the production of various stainless steel standard parts

Now you can consult us for products: 0574-87339588

Online consultation
Qinggang Stainless Steel Standard Parts - Experts around youThe maximum customer interest is our pursuit

ABOUT USNingbo Qinggang Standard Parts Co., Ltd.

Ningbo Qinggang Standard Parts Co., Ltd is a company specializing in the production and operation of various types of standard parts. the company has a production equipment that introduces a full stainless steel fastener from Taiwan, with first-class cold-molded equipment, various machine processing equipment, Forging equipment, and has a professional testing equipment,  the company introduces ERP management system in 2018, complete automation, information transformation, further enhance our competitiveness, product performance GB, DIN, ISO and other standards require the product to fully comply with GB (national standard), ISO (international standard), DIN (German standard), ANSI (US standard)...

View more
Specializing in the production and operation of various stainless steel standard partsFully understand the latest information on enterprises and industries
Heat treatment process for stainless steel screws

Heat treatment process for stainless steel screws

It is well known that the manufacturing process of stainless steel screws usually have four types: molding, grinding, cleaning and heat treatment. Then, the top three steps of the screw have been processed, why should the heat treatment process? Is a stainless steel screw or a carbon steel high strength bolt? In fact, after the first thre...View more

Services

Telephone:

0574-87339588

Fax:

0574-87715151

Mobile:

13396632177

LINK