硬質合金球及閥座是由難熔金屬WC和膠結金屬Co或Ni所構成的經高溫燒結的合金材料。其合金具有硬度高、耐磨性能好。在常溫下剛性好、沒有明顯的塑性變形，及較小的熱膨脹系數，該產品尺寸穩定性好，加工精度高。WC-Ni基合金具有良好的化學穩定性 ，耐酸、堿腐蝕，從而提高了產品的使用壽命。由于硬質合金的上述特點，使其廣泛應用于軸承行業的球類滾動體，流體密封用旋轉球、泵閥芯、石油采掘機單向閥芯、閥座等眾多軍、民品高科技領域。我公司生產的硬質合金球及閥座主要銷往美國、日本、歐盟等國家和地區。年銷可達數十噸，近百種規格、上千萬粒以上。可根據用戶的特定需求，自行設計、生產不同成分、性能和使用要求的硬質合金球類產品。本公司宗旨：質量*、信譽至上、廣交朋友、竭誠為用戶服。

This balls and valve seats are comprise of tungsten carbide(WC) and Co or Ni in high temperature sintering.With high hardness、better wear-resistant、high-temperature corrosion-resistant and maching properties of high working accuracy、high finish etc. Widely supplied ball-rolling element in bearing industry、pump valve spool for fluid seal、check valve for pretroleum digger etc.also used in high-tech area in army and civil. Our products all sale to America、Japan、UN etc. It can reach to tons of ball、hundreds of specifications millions of pellets every year.All the hard alloy products meeting customer’s requirements. Company tenet:Quality First、Reputation Paramountcy、Making Friends Widely、Serving Heartily For Customer.