NH World Trade Co. was established in 1989 in Hong Kong, its manufacturing factory Meina Diamond Powder(SZ) Ltd. was set up in March 1998 in Shenzhen, China. In 2009 NH World USA Inc was set up in Pannsyllvania, USA. Since 1999 we have first started using jet mill to crush diamond and with continuous renovation on the application, we developed the shaping technology with jet mill. With regards to grading we developed our own system and we are able to meet with the customers' any requirements.  Quite some costumers need non conventional sizes, we can make the products to meet their sizes requirements..  Our factory has its own building ,fast production facility and precision testing instruments. Our main product is diamond micron powder from 0.25 micron to 60 micron and mesh sizes from 60 mesh to 400 mesh crushed diamond powder. We also make diamond compound. Our diamond models are in two types: MB and MBY.   Synthetic diamond is made with HTHP(high temperature and high pressure) technology. Its application is in the field of working with hard materials such as silicon in electronics industry,optics,ceramics,jewellery and moulding  etc.Our aim is to make the customers satisfied,Our passion is to meet with the customers demand,so we welcome the challenging standards from the customers.and work closely with them to fufil the target..