YOUR STEEL STRUCTURE ENGINEERING EXPERT
We are a steel structure fabricator and EPC contractor based in Jining, Shandong, China, with 17 years of experience since 2009 and delivered projects in 60+ countries. Shandong Shijie Heavy Industry Co., Ltd. and its sister company, Henan Hengfeng Steel Structure Engineering Co., Ltd., operate as one manufacturing group under the same ultimate ownership. SynJect is the group’s export brand.
Industrial Factory Building Roof Skylight Panels
Industrial skylight panels are translucent panels specifically designed for factory roofs. They are used in conjunction with color-coated steel roofing sheets to provide natural daylight during the day. Commonly made from materials such as PP, PC, PET, APET, or PVC, these panels effectively enhance indoor brightness, are energy-efficient and environmentally friendly, and are compatible with a wide range of roof panel profiles. These components can be custom-manufactured to match the roof structure and panel type, forming an integrated structure with the factory roof system. While ensuring the overall continuity and uniformity of the roof, they facilitate the even distribution of natural light, serving as complementary daylighting components within industrial building roof maintenance systems.

High-efficiency Translucent Roofing Panels
Core Features & Advantages
It makes full use of natural light, making it energy-efficient and environmentally friendly. It offers high light transmission, resistance to aging, corrosion, and fire, as well as waterproofing and impact resistance. It is compatible with various types of steel roof structures, is easy to install, and has a long service life. With a rational design and high adaptability, it integrates seamlessly with roofing panels to form a complete system, providing buildings with stable and long-lasting natural lighting and protection.
Applications
Industrial factory building roof skylight panels are suitable for steel-structured factories, workshops, warehouses, logistics parks, large venues, farmers’ markets, greenhouses, and other roofed structures requiring natural light. They are particularly well-suited for industrial buildings with large spans, high ceilings, and high requirements for lighting brightness.
Vision & Mission
We are committed to providing safe, efficient, and environmentally friendly solutions for global customers through continuous technological innovation and exceptional product quality, driving industry progress and collectively creating a better future.
CONTACT
MORE PRODUCTS
SHANDONG SHIJIE HEAVY INDUSTRY CO., LTD
Headquartered in the High-Tech Development Zone of Jining, Shandong Province, Shandong Shijie Heavy Industry Co., Ltd. and its sister company, Henan Hengfeng Steel Structure Engineering Co., Ltd., operate as a unified manufacturing group under the same ultimate ownership. Globally, we deliver our end-to-end solutions through our dedicated export brand, SynJect.
Drawing on 17 years of export expertise and a proven track record across more than 60 countries, we provide integrated EPC contracting and heavy fabrication. This global reach is backed by our robust manufacturing footprint: an 80,000 m² facility with an annual capacity exceeding 500,000 tons, RMB 120 million in registered capital, and a skilled workforce of over 600 professionals.
Our core expertise spans civil construction, petrochemical facilities, long-distance pressure pipelines, heavy steel structures, pressure vessels, and skid-mounted refueling stations.
PRICE YOUR BUILDING
INDUSTRIAL STEEL BUILDINGS
















