Dwin 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.

Doublewin Biological Technology Co., Ltd is a leading supplier of pharmaceutical & its intermediates products expecially for Testosterone series. Such Testosterone, Testosterone Eanthate, Testosterone isocaproate, Testosterone decanoate, Testosterone propionate, Testosterone phenylpropionate and etc.

The company invests large fund and brains to R&D department to research fine chemical, biochemical, pharmaceutical & its intermediates products that fit the demand of the market. High level research group, advanced apparatus and good scientific atmosphere ensure the quality of R&D. Our products reach the advanced standard of domestic market, many of which reach the international standard.

The company capital asserts is above 100 million RMB.According to the GMP standard,the company has built 10000 m2 plant equipped the advanced equipment. 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 ISO9001.We have the authority of export and import, the fine chemical, biochemical, pharmaceutical & its intermediates distributed by the company are sold both in the domestic and international market and highly recommended by our clients.In order to develop the market further, we are eager to cooperate with the manufactory and trading company around the globe to make a prosperous future.

We advocate a enterprise idea that"people first,lead in the development of science and technology, serving society",insist on taking the road that"link science and technology as a marriage ",base on high-standard,new technologe,high quality.we have one batch the high-tech talent who are the chemical industry manages,produces, develops,all kinds of professional and technical personnel's account for 30% of the total number of company , is devoted to research , development , production of the new high-tech product , introduce the products innovated constantly to the market. 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 ISO9001.
Our Staff will pursue high quality and perfect brand with untiring efforts, and inherit enterprising spirit on"candid,diligent,refinement,upwards",follow the enterprise management theory of"lives,services or soul of quality ",with the first-class products and high-quality service to meet market's demands.

Human Chorionic Gonadotropin HCG Growth Hormone Peptides For Pregnancy Test

Product Name:HCG Key Words:Human Chorionic Gonadotropin Specification:5000iu/vial,10vials/kit Cas No.:9002-61-3 Appearance:Freeze-dried powder MOQ:1 kit / 10 vials Packing:Freeze-dried powder in 10ml vials Usage:Self-Testing, Profession-Testing, Home-Testing; Early Detection of Pregnancy Preservation methods stored at temperature 4-30° C in the sealed pouch for the duration of the shelf life., Human Chorionic Gonadotropin,HCG,Growth Hormone Peptides,Pregnancy Test

HGH Fragment Muscle Growth Peptides , Strongest Muscle Building Peptides For Fat Loss

Basic Info. Unit Size : 2 mg/vial Unit Quantity : 1 Vial Synonyms : HGH FRAG 176-191,fragment 176 Molecular Formula: C78H125N23O23S2 Molecular Weight : 1817.1 Sequence : H-Tyr-Leu-Arg-Ile-Val-Gln-Cys-Arg-Ser-Val-Glu-Gly-Ser-Cys-Gly-Phe-OH Appearance : White Powder Purity : 98.14% Identity (ESI-MS) : 1817.1±2.2 Source : Chemical Synthesis Storage : Lyophilized Fragment 176-191 is stable at room temperature for 90 days,however it should be stored in a freezer below -8C for any extended period of time. After reconstituting Fragment 176-191 should be refrigerated at temperatures not to exceed 36 F., HGH,Fragment Muscle Growth Peptides

Sustanon 250 Testosterone Blend Raw Steroid Powders For Bodybuilders

【name】Testosterone Blend 【CAS No.】58-22-0 【Mol. Formula】C19H28O2 【Mol. Weight】288 【Loss on drying】 ≤1.0% 【Purity】≥99% by HPLC 【Packaging】10g 20g 50g 100g Package and quantity according to customer's detail requirement. 【Remark】 In stock, customized for large scale. 【Structure】 【lead time】 one month to two months for kgs customization 【Storage】2-8°C, keep container tightly in a dry place, out of light. 【Use】content determination, identification, pharmacological experiment, activity screening, etc. Sustanon is a fairly popular steroid product among bodybuilders and athletes for muscle building purposes as well as other reasons such as andropause., Sustanon 250,Testosterone Blend,Raw Steroid Powders,Testosterone

Metandienone Dianabol Methandrostenolone Dbl CAS 72-63-9 Muscle Building Steroids

Quick Details: Product name: Metandienone Alias: Dianabol; Methandienone; Methandrostenolone; Dinanbol, Diana, D-Bol CAS No: 72-63-9 Assay: 99% Appearance: white fine powder Einecs No: 200-787-2 Molecular formula: C20H28O2 Molecular weight: 300.43512 Molecular structure: Raw Steroid Powders Metandienone / Dianabol / Methandienone / D-bol for Men Muscle Growth Melting point: 165-166 °C Specific optical rotation: +9.3° Manufacturer: Hezhong Usage: Anabolic steroid, Androgen, Controlled substance., Metandienone,Dianabol,Methandrostenolone,Dbl,CAS 72-63-9,Muscle Building Steroids

Oxymetholone Anadrol CAS NO 434-07-1 Oral Muscle Building Steroids Cycle Muscle Growth

Product details Alias: Oxymetholone (Anadrol) CAS No:434-07-1 Purity: 99% MF: C21H32O3 MW: 332.482 Einecs No: 207-098-6 MOQ(minimum order quantity):5gram Standard: Enterprise Standard Appearance: White crystalline powder. Usage:can be used as pharmaceutical material,is used to treat firm kinds of anemia (lack of red blood cells), including aplastic anemia, myelofibrosis, or hypoplastic anemia affected by chemotherapy., Oxymetholone,nadrol,CAS NO 434-07-1,Oral Muscle Building Steroids

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