Nanning Zeweier Feed Co.,Ltd was founded in 1995. Focusing on R & D the product and application of organic chelates. Dedicating to becoming the professional and highly pure organic chelating trace element solution provider in the world.
Zeweier is a member of China Feed industries association. Proposed and established the national standard of ferrous fumarate and calcium citrate. Zeweier also is one of the units revising the national standard of manganese methionine and zinc methionine.