最近免费中文字幕mv在线视频3,国产真人无码作爱免费视频APP,日本工囗漫画h无遮挡全彩,厨房一次又一次的索要

Established in 2005, Suzhou Ruibo Machinery and Electronic Co. Ltd has always been focusing on the advanced market.We produce different types of anti-loose washers strictly according to the standards and requirements e.g. Chinese Standards, German Standard, American Standard and International standard. We also customize the stamping pieces according to the samples or drawings provided by customers.The raw materials we use are mainly cold rolled belts and boards of 65Mn, Spring Steel SK5 / 27MnCrB5, Stainless Steel SUS304 / 316. Through stamping by high-precision moulds and heat treatment, our products have excellent mechanical performance. We provide different surface treatments: friendly environmental blue white zinc plated, color zinc plated, mechanically deposited zinc coating, powder zinc coating, dacromet, geomet and black finishing, which satisfy the market needs.We started to use ERP system in 2008 to manage our logistic chain and received ISO9001:2008 quality system certificate. We promise to provide customers with reliable and high quality products and quick response services to assist our customers to improve the competitiveness in the markets.

Lock washer，DIN25201，NFE25511，DIN6796，Stamping pieces