中韩高清无专码区2021曰_色翁荡熄又大又硬又粗又视频图片_波多野结衣乳巨码无在线观看_国产91福利在线播放_国产人妻人伦精品_马来西亚潜水天堂_黄色免费网站下载_免费看黄网站黄污污污热门软件_小莹客厅激情46章至50章视频

Shanghai Yusufu Stainless Steel Manufacturing Co., Ltd. was established in 2009 as a wholly-owned enterprise of Shanghai Yusufu Stainless Steel Manufacturing Co., Ltd. (factory built in 2009) and is a joint-stock production company specializing in stainless seamless precision steel pipes with "small diameter, high precision, and high cleanliness" quality. The registered capital is 100 million yuan. Currently, our company possesses advanced production equipment such as three-roll double-line cold rolling mills, two-roll cold rolling mills, ultra-precision cold drawing units, cold-drawn coil round units, ultra-long vacuum annealing furnaces, and ultrasonic cleaning equipment unmatched by peers to ensure high-quality production control. Our company primarily uses materials such as 304, TP316L, 904L, 2205, 800H, 600, 625, strictly adhering to national standards GB/T14976-2002, 14975-2002, 13296-2007, and American standards ASTM A312, A213, A269, JIS, DIN, etc., to meet customer requirements. We have always adhered to the principle of "survive by quality, develop by reputation" to provide customers with stable-quality stainless steel pipes. Our products, including ultra-clean stainless steel pipes, stainless BA pipes, stainless EP pipes, stainless steel ferrule joint pipes, stainless steel instrument pipes, pressure guide pipes, heat exchange tubes, vacuum pipelines, stainless steel precision coils, and pipe fittings, serve industries such as gas, laboratory installations, carrier gas pipelines, ultra-pure gases, ultra-pure corrosion-resistant gases and liquids, as well as stainless steel clean pipelines for pharmaceutical applications and pharmaceutical pressure vessels, providing corresponding supporting stainless steel pipe products. Our business philosophy is "cooperation for mutual success," and we strive to work with both new and old customers and friends from home and abroad with strict quality, attentive service, and good reputation to create a brilliant future together!