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htzw.com is the corporate website of Beijing Hangtian Zhongwei Technology Engineering Automation Co., Ltd. Founded in 2003 with registered capital of RMB 50 million, the company focuses on petrochemical environmental protection equipment and engineering automation. Its business is mainly aimed at industrial solid waste and hazardous waste treatment scenarios such as oily sludge, biochemical sludge, and domestic sludge, serving clients in petrochemicals, mining, metallurgy, pharmaceuticals, grain and oil processing, and wastewater treatment.
The website highlights several sludge treatment systems, including an ultra-high-temperature steam injection oily sludge treatment system, an umbrella-type dryer oily sludge drying and volume reduction system, a skid-mounted oily sludge purification treatment unit, and a disc-type oily sludge drying system. Its service process covers sludge sample analysis, solution planning, agreement negotiation, cooperation confirmation, and completion of treatment. The site also lists project names such as Sinopec Tianjin Petrochemical, Yanshan Petrochemical Veolia, CNOOC Daxie Petrochemical, Jinxi Petrochemical, and Fushun Petrochemical, along with certifications such as High-Tech Enterprise, quality management, environmental management, occupational health and safety, and explosion-proof conformity certificates.
The website does not publish equipment prices or project budgets. Industrial environmental protection equipment of this kind is typically quoted on a project basis, with pricing depending on factors such as sludge characteristics, processing capacity, target moisture/oil content, site conditions, automation configuration, exhaust gas treatment, installation and commissioning, and after-sales service period. A quotation would generally require phone or on-site consultation.
The main advantage is its clear industry focus: the products are built around the niche challenge of petrochemical oily sludge, with emphasis on patents, certifications, and engineering case references. This suggests a certain level of engineering service capability. On the after-sales side, the company mentions commissioning during the warranty period, lifetime maintenance after warranty, and software upgrade support, which may appeal to industrial clients that prioritize long-term operations and maintenance.
The drawbacks are also fairly obvious: the website content appears outdated, with the copyright year still showing 2015, and there is a fair amount of repeated page content. Key decision-making materials are missing for the core equipment, including detailed technical specifications, post-treatment indicators, energy consumption, operating costs, test reports, and project photos. Pricing, delivery timelines, and warranty boundaries are not explained either, so the online information is only useful for a preliminary understanding.
It is suitable for refining and chemical plants, oily sludge disposal companies, wastewater treatment plants, environmental engineering firms, and industrial clients that need customized sludge volume reduction, drying, or purification solutions. It is less suitable for users looking for standardized small-scale environmental equipment or online ordering.
The website has complete ICP filing information and targets mainland Chinese customers. Under normal circumstances, it should be directly accessible from China.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on htzw.com official site.
htzw.com is an China other provider. TG4G tracks its product information, an overall rating of 5.0/10, and a China-accessibility score of China direct-connect friendly. Click "Visit Official Site" to reach htzw.com directly.