Carriage bolt
1.JNST-Carriage bolt
2. Direct supply from our own factory, with in‑house production facilities – no middlemen, so you get more competitive procurement costs.
3. Premium, extra‑thick steel selected from top‑tier suppliers, offering superior strength and structural stability for long‑lasting, wear‑resistant performance.
4. Flexible customisation services available to meet your specific non‑standard requirements and diverse application scenarios.
5. Professional pre‑sales consultation and full after‑sales support, with prompt responses – you are welcome to request a quote at any time.
6. Rigorous control over our production schedule ensures orders are completed on time, with reliable and punctual delivery.
（1）Application
Jinan Star Company specializes in the production of fastener products. Our bolts, nuts and other products are widely used in machinery, railways, automobiles, construction, electrical, bridges, communications, firefighting and other industries.
（2）Certification
Jinan Star Fastener Co., Ltd. has obtained the 2015 version of ISO9001 quality management system certification through the scientific management of leaders of various departments and the pursuit of high quality for bolts and other fasteners. Furthermore, the laboratory owned by Star Company obtained certification in 2017. It passed the national CNAS certification and the European CE certification in 2018.
（3）Production equipment
1. In order to meet the needs of different customers, the company has introduced a series of advanced production equipment, such as multi-station cold heading machines, thread rolling equipment, heat treatment equipment, shot blasting machines, sand blasting machines, electroplating lines and other surface treatment equipment, and fully automatic packaging equipment. These equipment not only improve production efficiency, but also ensure the consistency and stability of product quality.
2. The workshop of Jinan Star Fastener Co., Ltd. serves as the central part for the company's production and manufacturing activities. It is equipped with advanced production facilities. The well-designed layout of the workshop along with the scientific production procedures guarantee the efficient production as well as the high-quality output of fastener products.
