Welcome to Doublewin Biological Technology Co., Ltd

Factory Tour

DoubleWin Biological Technology Co., Ltd is a professional and experienced pharmaceutical raw


material manufacturer, which specialized in Steroid Raw Powder , Injectable Steroid Oil, Peptide,


SARM, Prohormone and Local Anesthetic Powder. Our factory covers an area of 33500 square


meters, with clean environment and nice layout. There are several large-sized, medium-sized


workshops and QA and research center with advanced equipments.


    Chongqing Tingyi Biotechnology Co.,Ltd



    We have been exporting our products to all over the world for many years. In order to occupy more


    international market share, we are glad to cooperate with the manufactory and trading company


    around the world, OEM/ODM service can be provided


    Chongqing Tingyi Biotechnology Co.,Ltd



  • R&D


    We have been dedicated to scientific research since we were established in 2001. Now we have a


    lab which is equipped with more than 200 high-tech machines, apparatuses and equipments.


    We invest an average amount of $1000000 into reseach and facilities every year. With the high


    technology and excellent service, we have earned a top worldwide reputation for quality in bio-


    pharmaceutical field, especially steroid and peptide.


    Chongqing Tingyi Biotechnology Co.,Ltd

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