For optimum packaging solutions, shanghai tongwei biotechnology CO., ltd is recognized among a huge a consumer market owing to United Arab Emirates,Australia,Canada,Mexico,United Kingdom export market share that we currently hold. There’s more to it than just packaging including aesthetic appeal, safety and protection. With increasing industrial demand we not only have in excelled in numbers but quality as well, thanks to our credible 17 Years of export experience. Our corporate venture is located in Shanghai, Shanghai, China, housing skilled workforce and technologically advanced equipment, first started off with US$50 Million under Have Own Export License. We master the art of Diethyl L-Tartrate manufacturing, opting to deliver highest quality humic acid,fulvic acid,amino acid,DA-6,sodium nitrophenolate,etc fertilizer that enabled us to achieve US$5 Million - US$10 Million of export ratio. shanghai tongwei biotechnology CO., ltd Private Limited holds annual business revenue estimating around Approx 2 Million US Dollar. Introduced back in 2003, as Manufacturer and Supplier of humic acid,fulvic acid,amino acid,DA-6,sodium nitrophenolate,etc fertilizer.