Luotian hengxingyuan chemical CO., LTD. the largest "MELATONIN" production base, is a comprehensive enterprise integrating R&D, production and sales of fine chemicals, intermediates, raw materials for pharmaceuticals and health products, food&feed additives etc.

The company boasts top-notch professionals and advanced testing equipments. We conduct the proudction strictly in accordance with the GMP standard. The company has passed the ISO9001: 2000 Q. C. certification, and our proudcts, with world-top quality, have been sold far to Europe, the US and the Southeast Asian regions.

Keeping to the principle of "quality & credibility first, service & mutual benefit", and upholding the tenet of "honesty, fairness, cooperation and developmen", we sincerely provide excellent services to customers from both home and abroad.