direct fired oil heaters, ZOZEN boiler, a domestic oil-fired boiler manufacturer, actively conducts employee training
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.
With excellent product quality and comprehensive customized services, ZOZEN Boiler has opened up the new overseas market of Moldova, has become a partner of Granit Unic, a well-known enterprise in the building materials industry, and has formed a good market reputation in the Russian-speaking regions, direct fired oil heaters.
ZOZEN WNS series gas-fired (oil-fired) boilers are wetback fire-tube boilers with a two-pass or three-pass design. It uses threaded smoke tube for heat transfer and manages to achieve a thermal efficiency up to 98%. The economizer is installed at the tail of boiler, giving the boiler a compact size. Meanwhile, sound automatic control system enables unattended operation.
direct fired oil heaters, As a pioneer of industrial boiler industry, ZOZEN Boiler has always been committed to the research, development and manufacture of industrial boilers since its establishment in 1988. Researching the market demands carefully, ZOZEN officially launches a new type of gas/oil-fired skid-mounted boiler which has the advantages of sufficient output, easy installation and fully automatic and safe operation.
The boiler hydrostatic test is a test of strength and tightness with pressurized water after the boiler or components are assembled. The main purpose of the hydrostatic test is to test the tightness and compression strength of boiler pressure-bearing components, tell whether there is leakage of welding seams, flange joints and pipe expansions, and watch the deformation conditions of pressure-bearing components with naked eyes. Practice has proved that the boiler defects can be found through the hydrostatic test, and the safety of boiler operation can be ensured after the corresponding measures are taken in time. Therefore, the hydrostatic test is an important step and means to ensure the safe boiler operation, direct fired oil heaters.
Over the past 40 years of reform and opening up, our country’s wood processing industry has achieved considerable development. Processing logs into the boards that we use is inseparable from the high-temperature steam produced by the boiler for drying. As a large-scale industrial boiler manufacturer with a history of more than 30 years, ZOZEN Boiler has accumulated rich project experience in the wood processing industry. It has achieved the win-win cooperation with Langfang Jiarun Wood Company, Jiangsu Baoyuan Wood Company, Shandong Jiulefu Wood Company and many other enterprises, direct fired oil heaters.
As a well-known industrial boiler manufacturer, ZOZEN Boiler actively responds to the Belt and Road Initiative, pays attention to developing advantages of technology, brand and service, conforms to the global development trend, contributes to the economic development of the “Belt and Road” countries and regions with safe and efficient boiler equipment, and rapidly expands the overseas market.
-
27 Oct 2026ZOZEN Gas-Fired Steam Boiler Marks Five Years of Service at Guizhou Haocaitou, Supporting Food Production
-
20 Oct 2026How Can Steam Keep Pace with Food Production?
-
13 Oct 2026From the Guadalajara Exhibition Floor: ZOZEN Boiler Meets Latin American Customers to Discuss Industrial Heat Demand
-
Email us
-
WhatsApp: +86 18861589035
WeChat: +86 13506150756
Live Chat

Request a Quote
Inquiry-
At Guizhou Haocaitou Food Co., Ltd. in Tongren, Guizhou Province, a ZOZEN WNS series gas-fired steam boiler has been operating for five years as part of the company’s steam supply system. The WNS10-1.25-Q boiler, with a rated capacity of 10 t/h, serves as an important heat source for food production. In recent feedback, the customer noted that matching the equipment configuration to production requirements, along with ease of daily operation and maintenance, were key considerations when se...27 Oct 2026 -
From beverage and convenience food production to rice processing, boiler solutions should be selected according to fuel availability, steam demand and site conditions. Steam is commonly used for heating, sterilization and equipment cleaning in food processing. However, different products, production line configurations and fuel conditions create different boiler requirements. In addition to rated steam capacity, food manufacturers need to consider steam pressure, fuel supply, equipment layout a...20 Oct 2026 -
On October 1, 2026, local time, the three-day AHR Expo Mexico 2026 came to a close at the Expo Guadalajara Convention Center. The ZOZEN Boiler sales team traveled to Mexico to participate in the exhibition. At Booth 1847, the team presented industrial boiler products and used the event as an opportunity to learn more about industrial heat demand in Mexico and across Latin America. AHR Expo Mexico 2026 exhibition site At the entrance to the exhibition, the “AHR Expo Mexico 2026” s...13 Oct 2026
Find the Right Boiler For You
-
Email us
-
WhatsApp: +86 18861589035
WeChat: +86 13506150756
Live Chat





