久久99精品国产女不卡7777,国产在线精品一区二区不卡顿,免费人成网站在线观看视频,jrs低调看高清直播,国产精品无码专区

We are a high-tech joint manufacturer, covering 7000 Square meters facility. We have a group of experienced engineers in the R&D, processing and other related departments.

We mainly produce tungsten carbide ball and seat, agriculture wear parts plates/tips/tiles, HPGR stud pins, brazed inserts, buttons, VSI bars, rod, strips, PDC substrate, weld on teeth, bushings, wire drawing dies, heading dies, seal ring, nozzles, and other customized carbide products.

We insist on Customer first and Quality first. Our carbide parts export to many different countries all over the world these years. We will pay more attention to the quality control and delivery time for each order, as we wish that HONGZUAN will be the a well-knew brand in near further years.

Waiting for your inquiry, suggestion and visiting to Zhuzhou Hongtong!