... manufacture. And it also can be used to manufacture high-grade glass articles, magnesium salt, pigment, paint and chemicals ... 20KG/piece, plastic woven bag lined with polyethylene plastic bag. (Packed at the request of clients)Load in 20' Container: 6 T ... .25KG Net Weight: 20KGH.S Code: 2836991000Monthly Production: 250T Food- grade Magnesium Carbonate,Pharmaceutical- grade Magnesium Carbonate USP