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Qingdao Huarui Ketong Instrument Co., Ltd. is located in the beautiful coastal city of Qingdao. It is a high-tech enterprise dedicated to the research, development, and production of drilling fluid and completion fluid instruments, serving major oilfields, petrochemical industries, research institutes, and universities. The company boasts a technical team with years of experience, strictly adhering to ISO9001 standards in every step from design, process, inspection, raw material procurement, production, storage, to transportation, all under effective monitoring. The products fully comply with the American Petroleum Institute (API) standards. We sincerely thank our customers for their support and care, uphold the principle of building quality with integrity, treat quality as life, and dedicate every product with sincerity. We are willing to collaborate with oilfields, research institutions, and universities to develop new products, meet diverse customer needs, provide comprehensive services, and create a better future together.