Plastic bag or box protection and paper box,gift box for jewelry,we will pack very carefully and ensure to arrive you safe and sound .

Shanghai Ruyi industrial Co.,ltd is located in Shanghai ,China. After 15 years of development and efforts, the company has developed into a large national enterprise integrating scientific research, production and international trading. The company has state-level enterprise technology center, enterprise post-doctoral research station, and has a number of core key technologies and independent intellectual property rights. Some of the products have reached the international advanced level and are national high-tech enterprises. The main products of Lab grown diamond series products are popular in Japan, the United States, Europe and other developed countries and Southeast Asian markets.

1. who are we?
We are based in Shanghai, China, start from 2022,sell to North America(40.00%),Northern Europe(20.00%),Domestic Market(10.00%),Western Europe(10.00%),Southeast Asia(10.00%),Mid East(10.00%). There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
lab diamond,HPHT diamond,CVD diamond,Natural diamond,Diamond jewelry

4. why should you buy from us not from other suppliers?
Shanghai Ruytterbium Industrial Co., Ltd. is located in Shanghai, China. After 15 years of development and efforts, the company has developed into a large-scale national enterprise integrating design, production and international trade.

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP；
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,MoneyGram,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Japanese,French