Jinan Yongtuo Chemicals Co., Ltd is located in Jinan City which is one of the largest chemical industry base in northern China. It is a large-scaled science and technology enterprise which is engaged in production and sales of petrochemical products . There are more than 200 talented employees here. Strong technical and management team are our solid backing. has independent import and export license with ISO2000 quanlity certificate and ISO14000 environmental certificate.Thus,we have formed a ...