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The cosistency and integrity of world-standard quality control and regulatory compliance remain a big challenge for API sourcing.

Our third-party testing laboratory-Shijiazhuang Rinbowlabs Pharmaceutical Technology Co., Ltd(Rainbowlabs), was inspected and approved by the U.S. FDA in Jul. 2013 and re-inspected in Jun. 2016 with Zero 483. Serving as a dedicated QC center with the world highest qualification, we are offering to the global pharmaceutical industry FDA standard QC testing & release control, on-site QA back-up, API & formulation R&D, regulatory support, supply chain and risk management. As an ISO9001-certified CRO company, we welcome API sourcing, contract testing, R&D, and toll manufacture opportunities of APIs and formulations.


Our quality team is staffed with well-experienced and dedicated professionals. The COAs issued by our team have been well accepted by the top pharmaceutical companies in the U.S., EU, and Canada.

We are proud of our capability to bring innovative ideas and solutions to market, leveraging our extensive knowledge, experience, and relationships in the pharmaceutical industry to consistently exceed our partner's expectations.

We are actively engaged in new API discovery, commercialization, and new drug development with our strategic partners, and welcoming all CRO and CMO opportunities.

US FDA Approval Letter
ISO 9001 Certificate