Tianli Leaf Spring Manufacture Limited Company was founded in 1978. It is a special enterprise producing the leaf springs for various automobiles. Since its foundation, It uses the 60SizMn material produced by state-owned large-scale enterprises and other premium grade material, which is even superior to the national standard.

Having developed for many years, the company has built up strong strength. It now possesses of not only some production equipment advanced in the national level, such as automatic hydraulic pressure spring eye machines, automatic control quenching furnaces and automatic control tempering furnaces (the control accuracy attains ± 5° ) and shot blasting machines of landscape and vertical orientation, but also some sophisticated quality detection equipment, such as durometers, metallographic microscopes, stiffness and endurance test machines, etc. Besides the hardware equipment, the company has a group of senior specialized technical personnel in the field of the design of the leaf spring processing, the leaf heat treatment as well as the TQC (Total Quality Control). The production is normalized and the demand for quality is strict. Our product quality is absolutely quarantee d , for the quality track and control is executed in every production process. In 2003 , 2006 and 2007, the Company's products gained the title of “high quality products of the Hebei Province”. And participate in write“leaf springs”International standard proposal.In 2004, the Company passed the quality system certification ---- the ISO9001-2000 standard .And in 2009,passed the quality system certification --- ISO/TS 16949:2002 standard.

Up to now, the Company has already produced more than 200 kinds of leaf springs of more than 30 series. The models of car are mainly: Mercedes-Benz , Tiema Truck, ISUZU Bus, Tatra, Setaier, International (America), Dongfeng (China), Jiefang (China) and the semitrailers of all kinds. Being continuously improved and developed, the company's products are widely recognized by both the automobile face-lifting factories and the automobile manufacturers. They have gained a very good reputation in the market.

The production of link series and a part of Parabolic leaf springs are successfully used in high-quality coaches being made in china. In addition, they are exported to Arab and the countries in east Asia and south Asia.

The company also customerises the leaf springs of the specific performance, thus satisfies the different needs of the customer.

The Company has been insisting on the following principle: striving for survival on the basis of quality, developing in the space of customer's big choices, innovating by new technology, taking customers as center of the work, perfecting the enterprise culture, enhancing the capacity of competition and offering high quality products and excellent service to the customer.