Hainan hengchanglong Jewelry Co., Ltd.   

                                  Hainan Province Hengchang long Jewelry Co., Ltd. located in Hainan Province, Haikou City, Nanhai Avenue, is a collection research and development, production, sales and service as one of the enterprises companies adhering to the "honest, frank," by the people and business principles, adhere to the principle of "sincere cooperation and win-win" for domestic and foreign customers, create brilliant. Welcome all the friends come to visit, investigate and negotiate business.