Dowell Bio-Tech established the advanced quality management system to ensure the product quality.

Raw Materials Control

Excellent product quality are required to start from the first step. All the suppliers have strict assessment system, The planting and purchasing of materials are at fixed time yearly, Dowell Bio-Tech select the large-scale planting base which is no pollution, no industry and with good air environment to ensure the stable supplying. Raw materials are inspected strictly before manufacturering to keep the ingredients, quality and heavy metals meeting with the standards of production.

Manufacturering Control  

Dowell Bio-Tech own professional production team, high-quality extraction equipments, clean workshop and advanced production technology; Workers have professional trainings in every step of manufacturering in order to keep production operations complying with GMP and ISO standards. 

R&D Control

Dowell Bio-Tech cooperate with independent lab which had attained the ISO 17025 certificate,  

The lab have advaned inspection equipments like uhplc(for active components); hplc (for active components) gc-ms/gc (residue of solvents), icp-ms (heavy metal), gc/lc-ms-ms (residue of pesticide) ir and hptlc (identification for raw material), microplate-reader for elisa (for the orac) and ppsl (residue of irradiation) and microbiology test.the mainly standard we choose to contorl the quality is from the USP, EP, CP etc.

Customer Service

Dowell Bio-Tech guarantee all the supplied products comply with confirmed samples and certificate of analysis, same quality with sample and batch cargo. Professional sales team provide

good products and services for you.