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Our products are made from diamond , we have sintering, electroplating , and brazing technology.

We have 5 large sets producing machines in our factory , and we are going to extend our production again. Now we can produce 10000pcs per day , and if your order quantity is big , we can arrange it at first.

Yes, we are glad to provide sample for testing , we have confidence about our quality , Deyi is the lead brand in Diamond industry, I believe you will satisfied with us.

Of course yes , welcome to visit our factory , we will try our best to show you our sincerity and factory , you will see our stock, production machines , enthusiastic colleagues .

We have 3 times to examine the quality of products , first : pre-production , second : post-production , third : before delivery .So you needn’t to worry about it.

1) Sending your inquiry/requirements about products.
2) We confirm your inquiry.
3) Discuss with the details of products.
4) Produce some pieces samples or send sample to you for testing from our stock .
5) After your confirmation , you pay us down payment , then we begin to produce stuff .
6) Before delivery, we can send you some pieces bulk samples for testing , if no question , then you pay us the balance payment ,we delivery all the goods to you as our documents.
7) When you receive all the goods , you can check it first, if no question , then the order is finished , if there are some
questions about quality , then we can deal with it together , we are responsible for the after sales.