We are the manufacturer of Menatrenone, vitamin K2, Kaytwo. And we are located in China. Vitamin K2 (MK-4,MK-7,MK-9)，Menatrenone, Kaytwo, 0.13%-98% POWDER/Oil MK-4 [11032-49-8] or [863-61-6] Vitamin K2 (20) 98% powder Vitamin K2 (20) 98% Oil Vitamin K2 (20) 1.3% powder(sustained released preparation)/ Oil Vitamin K2 (20) 0.13% powder(sustained released preparation)/ Oil MK-7 [27670-94-6] Vitamin K2 (35) 1.3% powder(sustained released preparation)/ Oil Vitamin K2 (35) 0.13% powder(sustained released preparation)/ Oil MK-9 [523-39-7] Vitamin K2 (45) 98% powder if you require any further information, please feel free to contact me by biochem(at)seebio.cn I look forward to your response Irene Suen Shanghai Seebio Biotech, Inc. 11-502 Lane 299, Bisheng Rd., Zhangjiang High-Tech park, Shanghai 201204 China Tel:+86-21-50272981-6513 Fax:+86-21-50272982 E-mail: biochem(@)seebio.cn Website: www.seebio.cn