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

Dongtai Jinzhize Metal Products Co., Ltd. is a manufacturer and distributor of metal products such as steel wire thread inserts, self tapping thread inserts, thread taps, thread tools, pin thread inserts, laser nozzles, etc. It is a highly dynamic and promising diversified new private enterprise. Established in 2015, with a registered capital of 5 million yuan. We have over 10 million fixed assets and hundreds of various types of machine tools and automated production equipment. After years of continuous development, the company has strong technical strength and now has experienced mid to high level design and development, dozens of professional technical personnel for screw sleeve production, a strict quality management system, a team of technical talents, and a comprehensive after-sales service system.The company integrates production and operation, and has established good cooperation with well-known screw manufacturers at home and abroad, digesting and absorbing advanced screw technology in the world today. In recent years, the company's technical personnel have developed and researched new products to replace imports, especially in the new process of threaded connections, making significant new contributions. The company has passed the ISO9001:2015 quality management system certification.

Steel wire threaded sleeve series products, self-tapping threaded sleeve series products, pin threaded sleeve series products, threaded tap series products, threaded sleeve installation tool series products, laser nozzles, various oil plugs, DIN7965