Risol wellchem, which is established in dongying, shandong province, China, is a professional oilfield chemicals manufacurer and supplier. We committed to provide the highest standard & quality oilfield chemicals to world oil & gas industry. Our mission is to achieve customers satisfaction by delivering Quality chemicals and services and develop new solutions and products with collaboration of academia and industry. Risol Wellchem chemicals are produced according to international API standards and ISO requirements. And Our company was approved by ISO9001 and ISO 14001. The product lines include drilling fluid chemicals, cementing chemicals, stimulation chemicals. After several years efforts, Risol Wellchem established very good cooperation relationships with some major oilfield service companies in the world and Our chemicals also received some good feedback from them. Our markets were also expanded to Russia, Kazakhstan, Middle east, Africa and some other main markets.