Tianjin Kelioil Engineering Material and Technology Co., Ltd. is a scaling up hi-tech enterprise specialized in producing cementing additives with a full set of the most advanced producing line in China. Holding ISO9001 and ISO14001 certificates, Kelioil is the biggest global supplier for cementing additive industry in China and can do OEM globally. Kelioil's headquarter is located in the core area of flourishing Tianjin Huayuan high technology industry park. Covering the area of 30 thousand ...