4 ton natural gas fired boiler, the design department of ZOZEN boiler overcome technical difficulties and star products sell well in domestic and foreign markets
ZOZEN Boiler (Wuxi) is a designated manufacturer of boilers and pressure vessels approved by the General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China. ZOZEN holds the A-grade boiler and BRⅡ-grade pressure vessel manufacture licenses, ASME “S” and “U” certificates with steel seals and fully passes the ISO9001:2000 international quality system certification.
Recently, ZOZEN successfully entered the Jordan market again. Established in 2003, Classic Fashion Apparel Industry is a Jordanian company that mainly produces high-quality garments with fine craftsmanship. The company decided to import multiple sets of hot water boilers from China under the "Belt and Road" policy. Relying on excellent product quality and good market reputation, ZOZEN successfully seized this opportunity and reached a cooperation agreement with the company, 4 ton natural gas fired boiler.

4 ton natural gas fired boiler, ZOZEN DZL series coal-fired steam boilers are horizontal three-pass water-fire-tube chain grate boilers. Threaded smoke tubes are arranged in the drum to form a convection heating surface. The drum and the water-cooled walls on both sides form a furnace radiation heating surface.
The grate bracket of ZOZEN’s chain grate boilers adopts double-layer structure. The lower layer uses channel steel and the upper layer uses light rail. The upper layer is heated and the lower layer is stressed. It changes the traditional grate bracket using angle steel and friction strips without deformation. The active grate runs on the light rail with a 72-hour cold test run carried out before leaving the factory to ensure the smooth operation of grate without deviation or jamming.
For more than 30 years, ZOZEN Boiler has always put the product quality in the first place. Under the strict quality management system, the relevant personnel of hydrostatic test strictly follows the Boiler Safety Technical Supervision Regulations. The working pressure and test pressure should be carefully implemented according to the drawings to ensure that each boiler hydrostatic test is successfully completed.

ZOZEN 4 tph WNS series oil-fired fire tube boiler for construction industry in South Africa. Pholaco is a construction materials company specializing in light steel frame (LSF) construction, EPS panel construction, and CLC (cellulose lightweight concrete) construction. ZOZEN provided 4 tph WNS series heavy oil fired boilers for the company. This kind of fire tube boilers adopt large corrugated furnace for full fuel combustion. In combination use of the thread smoke tubes, the thermal efficiency is up to over 98%.
ZOZEN Boiler has always invested a lot in the research and development of the environmentally friendly industrial boilers with the long-term strategy and firm determination to bravely move forward on the road of green and sustainable development.
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03 Feb 2026Another Success in Indonesia: ZOZEN Boiler Boosts Production and Efficiency for Palm Oil Mill
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27 Jan 2026ZOZEN Gas Hot Water Boilers: The High-Efficiency Core Powering Clean Heating Projects in Northern China
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20 Jan 2026ZOZEN Boiler Empowers the Rare Earth Capital High-Quality Development with High-Efficiency Thermal Oil Solutions
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On the edge of the tropical jungles of Sumatra, Indonesia, the hum of machinery blends with the scent of palm fruit, painting a busy picture of the local palm oil processing industry. As a key global production base, Indonesian oil processing enterprises have a high dependency on reliable thermal energy supply. Booming Oil Processing Industry in Indonesia Recently, Wuxi ZOZEN Boiler Co., Ltd. ("ZOZEN Boiler") successfully delivered and commissioned a 15 t/h SZL series coal-fired steam boiler...03 Feb 2026 -
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