Hunan Jinhao Instrument Co., Ltd., located in Changsha, the capital city of Hunan Province, is an industrial enterprise integrating research, development, design and sales of oil analysis instruments. The company follows the principle of "technology first, quality first, excellent service and customer satisfaction", and its products are widely used in petroleum, electric power, chemical industry, scientific research institutes, steel, metallurgy, railway, aviation, oil storage and transportation, quality inspection, colleges and universities and other related industries. The company pursues the quality policy of "survival based on quality, development based on science and technology, efficiency based on management, reputation based on service, and is willing to design and manufacture various products and non-standard products with special requirements according to your needs at any time, and cooperate with users in an all-round way." The company inherits the business style of honesty, and provides users with effective and reliable services, With modern management as the foundation and new level as the goal, we will develop in a diversified and large-scale way to meet customers with high-quality products and perfect after-sales service! The company adheres to a pragmatic and innovative attitude to provide sales, sales and after-sales services for customers' needs.