About Us

Tanja Industrial (Shandong) Co., Ltd. is a modern enterprise specializing in the research and production of high-quality industrial hardware. Our company covers an area of 8000 square meters and has modern production and testing equipment. We have passed the ISO9001 1400 145001 system certification. The main products include toggle latch, hinges, and other hardware products, suitable for various industrial fields. Our company has established long-term cooperative relationships with large state-owned enterprises and listed companies such as CRRC, CNNC, and China Ice Group. Our products are exported to 45 countries including Europe and America.

In the process of development, Tanja advocates integrity and professionalism. We are committed to providing customers with professional and customized product services. In order to provide customers with controllable and traceable quality, schedule services, we implement 5S management, establish PDCA production management system and professional ERP management system.

Tanja has become a pioneer in creating high-quality industrial hardware industry with professional design and excellent service.

Product development

The company's products are based in the industrial field.

As the demand for customization grows, we also offer various special model customization and technical solutions. TANJA's professional accumulation in the manufacturing industry can quickly and economically meet your non-standard needs. This is your exclusive standard parts library

Product development
Quality policy
Quality policy
1. Material usage: TANJA regards new environmental requirements as the top priority in its business, ensuring that each product meets ROHS standards and providing customers with testing certificates and related services. We promise that all products will be produced from raw materials and can provide a list of all product raw materials and inspection reports.
ROHS
According to the EU ROHS Directive (ROHS designation: Restriction of the use of certain Hazardous Substances in Electrical and Electronic Equipment). It refers to the implementation of hazardous substance control by the European Union (EU). Effective from July 1, 2006. It is a directive within the EU that prohibits the use of specific harmful substances in electrical and electronic equipment products, with some exceptions
2. Production control: We develop production and processing processes for each part, control every production detail, and ensure product quality
3. Quality testing: TANJA laboratory has instruments and equipment for tensile testing, salt spray testing, and fatigue resistance testing. For new products, they undergo endurance and destructive tests to obtain testing data for our products and control the quality of daily production accessories. Ensure that users receive excellent products.
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tj  TANJA INDUSTRIAL (SHANDONG) CO.,LTD Address: No. 1389 Kaiming Road, Economic Development Zone, Laizhou City, Shandong Province Phone:(+86)0535-2277515 
tj  TANJA INDUSTRIAL (SHANDONG) CO.,LTD
tj  Address: No. 1389 Kaiming Road, Economic Development Zone, Laizhou City, Shandong Province
tj  Phone:(+86)0535-2277515