We have established a global reputation for quality consistency and superior service. 

Machining, sawing , grinding ,lapping , drilling and finishing with diamond abrasives has become increasingly sophisticated. Customers are demanding a wider range of products. In order to achieve a quality and cost effective package, Hami has responded to this challenge by offering a wide array of products, engineered for every application from the least to the most demanding.

Synthetic diamond mainly has high temperature and high pressure method (HTHP) and chemical vapor deposition method (CVD) two major production methods, at present, the domestic production of synthetic diamond products mainly uses high temperature and high pressure method (HTHP), the two technologies have formed a complementary advantage, synergic development of a benign situation.

we provide CVD single crystal diamonds with a maximum length of 25 mm and a minimum nitrogen content of less than 5ppb, meanwhile the production of jewelry use CVD rough diamonds is also expanding. Please feel free to tell us your needs, we can fix everything.

we will provide maximum 7x7mm HPHT&CVD single crystal diamonds with a maximum length of 25 mm and a minimum nitrogen content of less than 5ppb, meanwhile the production of jewelry use rough diamonds is also expanding. Please feel free to tell us your needs, we can fix everything.