CSI(HK) International Co., Ltd. is a high-tech enterprise integrating biotechnology, international trade and scientific research and development and concentrating on developing pollution-free industry. Thanks to exchanges and cooperation with many international prestigious universities and health organizations, we own a senior research and development team and a marine biotechnology institution equipped with the world's leading technology. Our core business is to, by employing our own patented technologies and the worldâs leading enzyme engineering technology, manufacture collagen products from carefully selected biological materials sourced from unpolluted sea island. We strictly implement the international standards and have passed the health-care food certifications such as GMP, HACCP, ISO9001 and ISO22001. Covering more than 60, 000 square meters, our product lines of specialized tripeptide collagen and tripeptide collagen drink etc, which are worth several hundred million RMB, have an annual production capacity of 3, 000 tons of collagen and series products which amount to an annual production values of RMB 3 billion