1.0 4.0MM HPHT CVD Lab grown Colorless rough diamond Manufacturer

Huanghe Whirlwind rough diamond adopts the current domestic advanced high temperature and high pressure synthesis of artificial diamond synthesis technique equipment level, the synthesis with various colors and weight of the world's advanced level of artificial diamond, plan on the basis of the scale of production increase investment of 3 billion yuan to expand capacity significantly.The synthetic diamond is a polycrystalline diamond made from diamond crystals of 10 to 30 nanometers in diameter.The molecular structure of a synthetic diamond is not a complete octahedral structure of a natural diamond but a complex structure that produces phosphorescent phenomena.

Q: Are you trading company or manufacturer ?

A: We manufacture and sell products together.

Q: How long is your delivery time?

A: Generally it is 3-5 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% deposit in advance and balance before shippment.
If you have any other question, pls feel free to contact us instanly.