国产破外女见血免费视频_午夜剧场一区二区日韩在线_真人片免费在线观看_亚洲中文超碰中文字幕_日本肉肉口番工全彩动漫_韩国 欧美 日产 国产精品_精品国产免费高清_靜靜享受欧美插逼同時_无码网址在线播放视频在线_惠民福利男女性杂交内射女BBWXZ

Zhuzhou Zonco Sinotech Wear-resistant MaterialCO.,LTD.， located in Zhuzhou (China), is a R&D and manufacturing enterprise specializing in the production of superior wear resistant parts and new hard materials.

With a thorough understanding of industries’ process and application challenges, Zonco offers innovative solutions to meet the extreme complex and severe working conditions (high temperature, strong corrosion and wear) in energy, chemical industry and other industries.

Zonco dedicated to addressing production concerns to deliver productivity to customers seeking peak performance and providing products with high performance price ratio for customers around the globe.

Main products:

Cemented carbide wear resistant parts,

SuperMetal PDC substrates and inserts,

Superhard powder materials

Zonco puts every R&D achievement into productivity and manufactures products in large volume with novel and low-cost technique. Now Zonco’s wear-resisting products are widely used in petroleum and natural gas drilling and exploitation, chemical industry, coal chemical industry, valves and fitting, solar energy, nuclear energy, military industry, automotive, mine engineering machinery, advanced materials, etc.