abide by the contract", conforms into the market requirement, joins in the market competition by its good quality also as provides a lot more comprehensive and great company for purchasers to let them turn into huge winner. The pursue from the firm, would be the clients' gratification for H-D-Ser-OH CAS 312-84-5, p-Aminobenzoylglutamic acid, Sodium Methanesulfinate, Molecular Formula C7H5NO4,Weight 273.37. We believe in quality over quantity. Before export of the hair there is strict quality control check during treatment as per international quality standards. The product will supply to all over the world, such as Europe, America, Australia,UK, Australia,Japan, Philippines.Due to good quality and reasonable prices, our items have been exported to more than 10 countries and regions. We are looking forward to cooperating with all customers from at home and abroad. Moreover, customer satisfaction is our eternal pursuit.