Our company can supply the all kinds of the high quality raw steroids powders, finished/ semi-finished steroids, hgh peptides and so on.

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Doublewin Biological Technology Co., Ltd. Quality Control

Glad to do business with you, your powder is very fresh, i'm very happy with the quality, we are going to build a stable coopertion with you.

—— Sl Woolford

Very quick delivery. thank you bro,and ,my clients very satisfy, quality even good than other supplier, amazing ! I will back to u soon

—— Michael Edw

Your products perfect, i'm starting to make the more orders and pls give me your best price again

—— Trujillo Tucson

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QC Profile

The factory has a complete Q.A. & Q.C.system. We own several sets of analyzing instruments with high efficiency and high sensitivity, such as HPLC, GC and UV spectrophotometer to analyze and control the products. The company has gotten the approval of SGS to be as audited supplier.

We have specialized in this line for many years and the quality can be surely guaranteed. Any test order will be welcomed.

 

 

 

Contact Details
Doublewin Biological Technology Co., Ltd.

Contact Person: Ms. Joe Tan

Tel: 86-00-13277858504

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