成人无码视频,可以在线观看大黄片视频,国产不良视频在线观看,日日夜夜婷婷免费视频

Zhejiang shengyi Hardware Technology Co., Ltd. is located in Nantang Industrial Zone,Dongtou District, Wenzhou City, Zhejiang Province, specializing in the production of high-strengthscrews.12.9 Class DIN7984(Thin head hex), DIN912(cylindrical head,DIN7991 (socket counter sunk screw), IS07380 (socket button head cap screw),IS07380.2 (with pad round cup) and development of variousHighly difficult non-standard，shaped parts, The products are mainly sold to all parts of the country, the main products arewidely used in automobiles, pneumatics, sewing machines, low Piezoelectric, electroniccommunication, machinery and related industry supporting services.Quality is the life. The company in line with the "quality of survival, reputation and development"business purposes, the establishment of the spiritThe living management mechanism has improvedthe service system. Constantly pioneering and innovative, we are willing to first-class product quality,first-class service waterQuasi-and competitive prices, become your partner, and a friend of yourcareer development."Professional brand, quality for the future" look forward to working with you.

Zhejiang shengyi Hardware Technology Co., Ltd.specializing in the production of high-strength screws.DIN7991 (socket counter sunk screw), IS07380 (socket button head cap screw),IS07380.2 (with pad round cup) and development of variousHighly difficult non-standard