Doublewin Biological Technology Co.，Ltd.

DoubleWin Biological Technology Co., Ltd is a professional crude drug manufacturer which integrates production, R&D and sales. The technology ability is strong. We specialize in Pharmaceutical Chemical, Steroid, Vitamin, Intermediate, food additive, plant extract and so on. It has built cooperation relations with many universities, research centers as well as pharmacy manufacturers. The enterprise owns advanced production arts and various fermentation method originated from abroad. It has single quality supervision department which can take strictly supervision to all the products according to the relative rules of Pharmacopeias and ICH principles to meet the requirements of the customers on quality. We have rich experience on overseas trading and we have world-wide customers. The company have gained the trust of the customers by its wholehearted and professional service.

Our major principles:

High quality with competitive price

Adequate stock

Fast and safe delivery

Professional service

We still adhere to the philosophy as credit-oriented. We will develop the market with outstanding standard and great service to meet the requirements of the customers. To be win-win with the customers is our development goal: DoubleWin Company your trustable company.

We have created a well-organized environment of research and development. With a total of 2000 ㎡ of laboratory space, the factory is equipped with more than 200 high-tech machines, apparatuses and equipments. We continue to invest an average amount of two million US Dollars into reseach and facilities every year. Through our years' efforts, we have gradually developed to become the leading manufacturer of raw steroid powders in Mainland China.


  • 2019-10-28

Free sample Primobolan Methenolone Enanthate 303-42-4 for Bodybuilding

Methenolone Enanthate Alias: Primobolan-depot CAS No: 303-42-4 Purity: 99% MF: C27H42O3 Standard: Enterprise Standard Appearance: White Crystalline powder. Usage: Can be used as pharmaceutical material, Metenolone enanthate (or methenolone enanthate) based anabolic steroid. It is an ester derivative of Methenolone sold commonly under the brand names Primobolan (tablet form) or Primobolan Depot (injectable)., Primobolan,Methenolone Enanthate,303-42-4

  • 2019-10-28

Drostanolone Propionate 521-12-0 Increase Muscle Tissue , Masteron Muscle Gaining Steroids

Quick Details: Name: Drostanolone Propionate Synonyms: Masteron; Dromostanolone Propionate CAS: 521-12-0 EINECS: 208-303-1 Assay: 99%min Packing: foil bag or tin. Standard: Enterprise Standard Storage: Shading, confined preservation Character: White crystalline powder Usage: pharmaceutical material, Steroid hormone, Anabolin. As a male hormone and anabolic hormones. Molecular formula: C23H36O3 Molecular weight:360.53 Molecular Structure: CAS 521-12-0 Muscle Building Raw Steroid Powder Drostanolone Propionate Masteron, Drostanolone Propionate,521-12-0,Masteron,Masteron Propionate

  • 2019-10-28

Trenbolone Acetate CAS NO 10161-34-9 For Body Building

Trenbolone Acetate Details: Trenbolone Acetate CAS No.: 10161-34-9 Trenbolone Acetate EINECS: 233-432-5 Trenbolone Acetate Assay: 97.0~101.0% Trenbolone Acetate Molecular Formula: C20H24O3 Trenbolone Acetate Molecular Weight: 312.4 Trenbolone Acetate Description: White or light yellow crystalline powder Trenbolone Acetate Function: Hormonal drugs, anabolic agent. Usage: Trenbolone Acetate can be used as pharmaceutical material. Its main function is to promote metabolism. Anabolic effects include growth of muscle mass and strength, increased bone density and strength, and stimulation of linear growth and bone maturation, Trenbolone Acetate,Tren A,10161-34-9,Body Building

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