Topsen marketing and export products world wild, not only with the support of our group factory SHANGHAI AND SHANGHAI PHARMACEUTICAL(XIAYI)CO.,LTD., but also with the support of  other factories below:
HUBEI TIANZENONG BIOENGINEERING CO., LTD.
SHENYANG AIWEI TECHNOLOGICAL DEVELOPMENT CO., LTD.
SHANDONG TOP AGRICULTURE TECH CO.,LTD.

Production Line

Currently under ISO 9001:2000 and Good Manufacture Practice system, with the advanced automatic production line and skilled workers, our production Capacity has achieved 30,000 MT TC and 25,000 KLT formulation annually, covering more than 200 kinds of products and 20 series of formulations.

Liquid formulations including SC, SL, FS, EC, EW, CS, OF, ULV, and solid formulations including WDG, WSG, WP, TB, DP, and GR are available from our factory. The production capacity for liquid is 15000 KL per year, for solid is 20000 MT per year. The continuous production cycle, advanced logistic system, and close relationship with the shipping line enable us to fulfill orders from any part of the world.

 Quality Control

In our laboratory, every batch product has to pass three inspection procedures from raw materials to finished products. Also, every packing material will be tested before using to ensure long-distance shipment. Moreover, our laboratory is in charge of developing new formulations to meet customer's specific requirements.