Topsen Biotech Co., Ltd., founded in 2002, is a rapid growing enterprise which involves in manufacturing & marketing agrochemicals in China. Our mission is to contribute the will-being of international agriculture by providing high quality and environment-friendly products to our customers. With our own factory, we are capable of producing both technical & finished products in variety of packages according to customer specific requirements. We are strong at such formulations as WDG, DF, SC, SL,...
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