Brand Story
“Zhong Shi” signifies gathering the strength of many and combining the best of the industry; "Tian Cheng" symbolizes upholding the original aspiration of quality and achieving a natural state. Since its inception, the company has been committed to the mission of "empowering industry with chemicals and connecting the world with quality," deeply cultivating core areas such as fine chemicals, petroleum products, and industrial additives. Its main products include tetrahydrothiophene, ethanethiol, and defoamers, which are widely used in various industries such as gas, water treatment, and pesticide intermediates.
About Us
Qingdao Zhongshi Tiancheng Petrochemical Co., Ltd. is a professional chemical enterprise focusing on supporting services for the natural gas, liquefied petroleum gas, and wastewater treatment industries. Its main products include tetrahydrothiophene (THT), ethanethiol, and defoamers.
Having cultivated the domestic market for many years, the company holds a leading market share in related products.
Leveraging its strong product capabilities, it is steadily expanding into the international market, having established long-term and stable strategic partnerships with customers in Algeria, Bangladesh, Iran, Turkey, Tunisia, and other countries. The company is steadily developing into a one-stop international comprehensive service provider.
Gas-specific valves
Includes gate valves, solenoid valves, flame arresters, natural gas filters, etc. Made with high-quality materials, explosion-proof and leak-proof, compliant with national standards, and suitable for various gas pipeline conditions.
Intelligent drive device
Covers multi-turn, electro-hydraulic, and pneumatic actuators, supporting local and remote control. Offers complete explosion-proof protection levels, compatible with various valves, and ensures stable automated operation.
High-purity chemical raw materials
Main products include tetrahydrothiophene, ethanethiol, and various defoamers. All products meet purity standards, have complete qualifications, and are readily available to meet the needs of large-volume purchases and long-term cooperation both domestically and internationally.
Precise metering instrument
Multiple gas flow meters and gas meters are available, offering high measurement accuracy, wide range, and built-in temperature and pressure compensation. Ideal for gas metering and trade settlement.
Covering city gas gate stations, long-distance pipelines, LNG/Liquefied gas storage and distribution stations, and industrial gas supply systems, our products, including odorants, valves, filters, and actuators, work together to achieve safety warnings, impurity filtration, and automatic control, strengthening the safety line of gas transmission and distribution.
Serving factory automation systems and equipment maintenance sites, our intelligent actuators, metering instruments, and control valves provide precise flow control, data monitoring, and remote management for process pipelines, supporting enterprises in achieving efficient, safe, and intelligent operation and maintenance.



