tryptophan 1000mg10+ factories verified

Sonwu" possesses advanced herbal extracting and processing factory and strictly follows the GMP standard with the aim of solving the stability of natural plant materials and reduce and reducing the heavy metal and pesticide residue in raw materials. All its workshops are designed in strict accordance with the GMP standard and its technological process complies with the requirements of GMP. Additionally, each link of the production conforms to the ISO9001-2000 quality management system. The imported high performance liquid chromatograph (HPLC), ultraviolet-visible spectrophotometer (UV), microbiological detecting laboratory, rapid moisture meter and other detecting equipment enable. "Sonwu" to control the product quality, heavy metal, microelement, microorganism and other quality indexes roundly. By virtue of advanced technology, excellent quality and meticulous pre-sales, on-purchase and after-sales service, the Company has been extensively recognized by customers at home and aboard.

Xi'an Henrikang Biotech Co., Ltd., located in Economic and Technological Development Zone, Xi'an City, Shaanxi Province, China. Now it is a professional researcher and one of the biggest manufacturer in both plant extract and pharmaceutical chemicals area. Henrikang Biotech is specialized in Research, Analysis, Production, Application, Process and Sales. It has absolute advantage because of strong research strength, Advanced production facilities, modern management system and Experienced sales team.

Xi'an ECO Biotech Factory Co., Ltd., was established in May 2010, and located in Gaoling Industrial Park, Xi'an city, Shaanxi Province, China. A professional researcher and one of the biggest manufacturer in pharmaceutical raw materials field. ECO Biotech is specialized in Research, Analysis, Production, Application, Produce and Sales. It has absolute advantage because of strong research strength, Advanced production facilities, modern management system and Experienced sales team.

Xi'an International Healthcare Factory Co., Ltd., located in Xi'an City, Shaanxi Province, China. A professional researcher and one of the biggest manufacturer in pharmaceutical raw materials field. International Healthcare is specialized in Research, Analysis, Production, Application, Produce and Sales. It has absolute advantage because of strong research strength, Advanced production facilities, modern management system and Experienced sales team.

Xi'an Fulecare biotech has high-technique enterprises with 10 years history, dedicate to separation, purification of the natural active ingredients production and sales. We also produce international frontier dietary supplements such as granulated powder, solid drinks, tea sachets, capsules and tablets etc. We have high grade clean workshop, 800 square meters of inspection center equipped with more than 10 sets of HPLC, GC, IR, MASS instruments, these provides a full range of quality assurance to our products.

Shandong Yuwang Phamaceutical Co., Ltd. is a manufacturer with 397 employees; It was established in 1994, located in No. 2731 Tongqu Road, Yuchend, Dezhou, Shandong, China. The workshops occupy an area of 27, 000 square meters. Shandong Yuwang Pharmaceutical Co., Ltd. Has passed ISO 9001: 2008 Certificate, OHSAS18001: 2007 Certificate, ISO 22000: 2005 Certificate, HALAL Product Certificate, NSF Certificate, BRC Certificate. Shandong Yuwang Pharmaceutical Co., Ltd. Has 3 Utility Model Patents, 1 Invention Patent. Shandong Yuwang Pharmaceutical Co., Ltd. Has successful foreign trading experience in Europe, North America, South America, Southeast Asia.

Hangzhou Zishi Technology Co., Ltd Established on November 28, 2022 are absorbed in medical hygienic cause, drug wholesale; Veterinary drug management; I II III medical device Sales; Drug import and export and We have more than 100 item had been registered Africa and some Asia country. We are manufacturer, Factory price and good quality, large quantities will have bulk price. We specialize in skinwhitening injection: Glutax, glutathione, lipoic acid, vitamin C, vitamin B, multi vitamin freeze-dried powder and liquid, and more

Hebei Lang Mei Biotechnology Co., Ltd, mainly focusing on dietary supplements processing in China, providing wide range of Natural products with different forms including softgel, tablet, Capsules, vegetables hard capsules, powder and gummy. Lang Mei Teams with our R&D department providing value-added OEM and private label services for you.

Zhengzhou Chinese Veterinary Biotechnology Co., Ltd(Vitboo) is focus on animal products with rich exporting experiencesince year for over 20 years.

Company Profile

More 20 years experiences, Nutrifirst Biotech Inc is dedicated to research, development, manufacturing and innovative packaging services for worldwide supply of premium dietary/food supplements.

Purelife Biotech Co., Ltd. is a leading company specialized in the production of plant extracts, nutritional supplements, healthcare products, and cosmetic raw materials. With a commitment to quality assurance and timely deliveries, Purelife has established itself as a reliable and trusted partner in the industry.

Wuhan Hengheda Pharm Co., Ltd. (also known as Wuhan HHD Pharm), founded in 2013, situated in Wuhan Economic and Technological Development Zone, Hubei province, is a high-tech enterprise specializing in the R&D and production of raw materials, high-end pharmaceutical intermediates, fine chemical products, as well as technical advice and testing for new compounds.

Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.