HENAN LONGTIME TRADE CO.,LTD

We have our own technology and patent for the advanced PDC. These types PDC have higher content of diamond than standard products. The strength bonde

This kind of simplified PDC is suitable for making the drilling bits only used for some specific application, such as geological drilling, coalfield a

Diamond Wire Drawing Die Blank is the polycrystalline diamond (PCD) product made under advanced high temperature and ultra-high pressure. Diamond po

We supply grass,willow, woodwork skill products that adopt and choose the stem or leaf of cattail of raw materials, wicker, maize peel and wood of hig

The continuously cast mono-crystal copper has an excellent performance of plasticized processing and can be processed into super-thin wires or foils w