DHCO Locate in the south of Peninsula ShanDong , and lies in RiZhao city which is one big of port city that is close to Qingdao. DHCO is always insist on integrity support each customer, enjoying a good reputation in the business circles for their punctuality in meeting obligation and integrity. DHCO always adhere to cooperate ,and establish long,stable business relations with famous company of home and abroad. DHCO Major lines in chitin derivates biochemical and biology & health production. DHCOhas rich experience and strict scientific management during long support. Depend upon support of DHCOmarket and highest quality service, to ensure provide customers with excellent and consummate service. To keep at high quality,lowly price which is best important principle for successful DHCO. The same, DHCOhas successful confirmed good trade-station , and grow as one of biger supplier of biochemical products. DHCO will never compromise in their challenge to improve, expand and grow to meet the needs of the ever changing global market.Cooperation , Win-Win