the test for the solubilty for the flake sodium humate
we wiill keep the very sample to test when selling. according the test methond,we have the accurate test preport from the china humic test center. and when ever the purity of the humic acid ,we can offer you,
WE have expand our factory very big. and you can check and visit our factory anytime. the raw material is full of the stock and the machine is very porfesstional.
let us introducing the different packaging for you.
the packing of the craft bags of the woven bags the special made for the costomers