Henan Alfa Chemical Co., Ltd
Telephone +8618339805032
Websitehttps://www.chemicalbook.com/manufacturer/henan-alfa-chemical-570/
Nantong puyue biomedical Co., Ltd
Telephone0513-0513-0513-89158300 18014392889
Websitehttp://www.puyerbiopharma.com
DONBOO AMINO ACID COMPANY
Telephone +8613063595538
Websitehttp://www.donboo.com/
Shanghai Boyun New Material Co., LTD
Telephone 13862233611
Websitehttp://www.boyunchem.com/
Envchem Bioscience (Shanghai) Co., Ltd.
Telephone 13012862996
Websitehttp://www.envchembio.com/
Shanghai Baoyang Baoxin Biotechnology Co., LTD
Telephone021-56698539 18019222030
Websitehttps://www.shbybxsw.com/
Henan Tianfu Chemical Co.,Ltd.
Telephone+86-0371-55170693 +86-19937530512
Websitehttps://www.tianfuchem.com/
GIHI CHEMICALS CO.,LIMITED
Telephone +8618058761490
Websitehttps://www.gihichemicals.com/
