Weifang Longwei Industrial Co.,ltd.shandong

We are ¡°Weifang Longwei IndustrialCo.Ltd.,Shandong,the professional manufacturer and exporter of chemicals in Weifang ,China. We mainly produce the desiccant chemicals,oil drilling fluidschemicals, water treatment chemicals, flame retardant,organic intermediate,and industrial cleaning chemicals. Our company has been established in 1984, we have got the the ISO9001:2000, ISO14001:1996 certificates.