NINGBO HI-TECH ZONE YEFENG NEW MATERIALS TECHNOLOGY CO.,LTD.
Room 1807,95 business Mansion,No.598 Jiangnan Road, Ningbo (315041) China,
TEL: +86-574-83888578
FAX: +86-574-83888577
M.T.: 013116681823
EMAIL: robinson@yefengtech.com
we can supply high quality silk amino acids,
Enquiry Now
we can supply high quality silk amino acids,
Item Standard Appearance Powder in light white or light yellow ,liable to deliquesee PH Value 5-7 Loss on drying ≤5 Residue on lgnition ≤ 3.5 Nitrogen ≥14 Heavy Mental ≤10 Arsenic ≤2 Number of Acrobic Bactcrial ≤300 Pathogenic Bacteria Can’t be dctccted