Synthetic diamond is diamond that is produced in a controlled technological process. Unlike diamond simulants, synthetic diamonds are composed of the same material as naturally formed diamonds – pure carbon crystallized in an isotropic 3D form – and share identical chemical and physical properties.
HARGRAND (Former: BAOQI) was specialized in drilling machine and tools. It is located in Yanjiao National High-Tech Development area at Hebei Province which is 20 kilometers away from Beijing Capital airport, and 170 kilometers to Tianjin port.
HARGRAND provided a whole set of drilling tools,drill mud,drill rigs,drilling equipment,DTH tools,rock drill which include Diamond Bits, PDC Bits, T.C bits,DTH Bits,Drill Rigs,Drill Mud,Pneumatic Rock Drill,DTH Hammmer,Inclinometer, Casing Shoes, Reamers, Core Barrel Assembly and Accessories, Drill Rods, Casing and other drilling tools.
HARGRAND has many senior engineers and drilling technicians to ensure the producing, trouble-shooting and after-sale service. With over 20 years of producing expertise, HARGRAND provided high quality and utility drilling tools to worldwide market.
yiwu haotai trading co., ltd is a professional trading company with subordinate factory who specialized in Rhinestone products which include hotfix, sew on, nail art, fancy stone and other blingbling products. Our creed is to offer top quality with competitive price always. We sell stone to the fashion line around word. Consumers include fashion designers like our stone very well. They think it is so pretty. So if you want high quality stone, welcome to contact always.
Luoyang Qiming Superhard Material Co., Ltd was funded in 1999, which ever belongs to CSR-Luoyang Locomotive Plant. We mainly focus on R&D, production and sales of synthetic diamond and high pressure high temperature (HPHT) cubic press. In 2008, Luoyang Qiming Superhard Material Co., Ltd turn to private enterprise as CSR public offerings, take the advantage of long time for synthetic diamond experience and the geographical advantage, our main business change from synthetic diamond direction to high-end equipment manufacturing.
At present, our non-vat high pressure high temperature (HPHT) cubic press widely used in domestic and overseas, also get high appreciation among our customers. With the development, we purchase 67000 m2 areas in new industrial cluster areas, which will be the manufacturing base for 500 sets high pressure high temperature (HPHT) cubic press yearly. Meanwhile, the headquarter move to New District. We'll meet new future with new look.