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