Recently, Ningbo Ninghe Power Motorcycle Parts Co., Ltd. successfully shipped 5,000 inner pan head triangle fasteners to its clients, which will be installed on the engine casing of FAW-Volkswagen vehicles. This unique part is designed to be tightened in only one direction and cannot be loosened once secured, ensuring a permanent and secure fit. According to Liu Pingping, the manager of procurement and sales at the company, this type of fastener is highly specialized—only a few manufacturers in China are capable of producing it.
The company, established in 2010, is based in the Beilun Chunxiao Ecological Industrial Park in Ningbo. As a Sino-foreign joint venture, it focuses on manufacturing high-quality automotive fasteners with annual sales reaching 30 million yuan. Its primary clients include FAW-Volkswagen and Audi, and its products are now integrated into core engine components of well-known automotive brands.
In the automotive industry, even the smallest deviation can lead to significant issues. Unlike general industrial parts, where a certain defect rate is acceptable, automotive fasteners must meet 100% precision standards. Liu Pingping explained that during the assembly process, robot arms perform automated installation based on precise computer settings. If a fastener’s dimensions are even slightly off, the robot will not be able to grip it, causing the entire production line to halt. These stoppages result in substantial financial losses for the supplier, with some OEMs charging up to 2,000 Euros for just five minutes of downtime.
To maintain such high standards, the company conducts both manual inspections and uses advanced imaging systems to check every single part. Despite the pressure and high costs involved, Liu Pingping emphasized that the profit margin is better than ordinary fasteners, and orders are more stable. The key, she said, lies in strong internal management and strict quality control.
Beyond size accuracy, sealing performance is also crucial for automotive fasteners. Last year, Ninghe Power developed an oil plug bolt with an extra layer of adhesive, enhancing the seal between the bolt and the engine housing. This innovation helps prevent heat-related expansion and contraction, reducing the risk of oil leaks during engine operation or shutdown. The new bolt has already been adopted by Shanghai General Motors in several of its vehicle models, further solidifying the company's reputation in the automotive supply chain.
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Wuxi Winsun Automation Instrument Co., Ltd , https://www.winsunwx.com