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About Lianggu Fastener

Lianggu is a capable producer of standard and custom fasteners from China. Our international entity is engaged in designing and manufacturing precision bolts, nuts, machining parts, screws and a few other metal parts. We have recruited a well-versed team that holds specialization in cooperating with customers for developing customized products. Our portfolio contains Black Micro Screws, Flanges and Washers, Custom Bolts and a host of other items. 

Our manufacturer based enterprise produces a qualitative range of standard and custom fasteners that is utilized heavily in 3Cs electronic items encompassing 3D-printers, PC, mobile phones, drones and several other smart hardware and also medical devices, automobiles and home appliances. 

We are supplying our expertly-crafted custom and standard fasteners in varied countries such as European Union, Hong Kong, United States and many other regions.

Our History

Year: 2003 (Commenced Business of Screws Production)

Mr. Yu and Ms. Liu, these two began their young career in a foreign screw factory. After they got married, they gave wings to their thought of developing their very own small family workshop for bringing ahead higher quality based products as well as services.

Year: 2006 (Business Expanded to Hardware Machining)

After many years of increasing growth and development, the workshop got enlarged from operating just a few machines by own to appointing various professional workers to expertly operate a huge line of production equipment, and provide thousands of companies with the best of high-quality screws. The business scope also got uplifted from bringing forward customized screws to bringing several customized hardware parts. 

Year: 2010 (Formally Incorporated)

After getting over the 2008 financial crisis, Mr. Yu and Ms. Liu, both of them realized the truth that small-scale manufacturing model cannot effectively accommodate customers higher quality needs. In the year 2010, a well developed company, Lianggu came into existence. The concern began its journey in the form of a professional fastener manufacturer from the location of South China. 

Year: 2013 (ISO 9001:2008)

ISO 9001 gives an extreme practice & workable quality management system for the purpose of bettering and monitoring almost all business areas. In the year 2013, company got rightly verified by ISO 9001:2008 quality system.

Year: 2016 (ISO 9001:2015 & Stepped into Overseas Markets)

Due to high manufacturing improvement and quality management, company got certified by ISO 9001:2015. At this time period, company provided various batches of products that perfectly match Rohs and CA Prop 65 standards for foreign customers in the North America and European Union. Company officially stepped into the overseas markets. 


Our China based company considers product quality as well as clients satisfaction as chief priorities. We provide the best gamut of Custom Bolts, Flanges and Washers and a few more products. Go through the following concepts for having a better clarity on our working system:

Systematic Management

Depending upon the concept as well as hardware of information management, we carefully utilize more direct SAP system for the purpose of tracking & managing the complete process in product production as well as design process. Our international organization behaves in a highly consistent, efficient and effective way. 

Product Test Lab

For guaranteeing that quality of our products are highly consistent and qualified, our international entity has developed an independent product laboratory. We have designed this laboratory to test mechanical properties, composition and corrosion resistance of products. 

ISO 9001:2015

Our enterprise pursues advanced quality management for well improving our management model. We are perfectly certified as an ISO 9001:2015 quality management standard-compliant enterprise. 

Our Quality Checking Process

  • Final Inspection
  • Material and Surface Treatment Inspection 
  • Semi-Finished Product Selection 
  • Threading Inspection 


Our global business house can well customized several material head styles platings as well as standards according to clients requests.

  • Material: Low Carbon Steel Nickel Alloys & Alloy Steel Aluminum Brass Copper Medium & Monel Silicone Bronze Stainless Steel and a host of others.
  • Head Styles: Provided in varied head styles.
  • Plating: Black-anodizing, zinc-plating, waxing, black-oxide, nickel-plating, material-passivation and a host of others.
  • Standards: EN, ISO, JIS, ASME, GB, BS, ANSI, IFI, DIN, etc. 

Secondary Processing & Reprocessing

We work in the best manner that makes it highly simple to process the products as per clients demands.

Package & Label

We provide qualitative packaging solutions such as wooden boxes, carton and plastic bags, clear poly bags as well as boxes. We can also perfectly provide labels with imprint over the bag. Whether you require a kit job with only one fastener or need a kit that holds multiple fasteners, we are happy to do it for you. 

Custom Fasteners


Our enterprise is proud to be ISO 9001:2015 registered and being well compliant with most of the industry specifications. We have been providing high-class solutions to the customers since business foundation in 2003. Our international concern can work rightly with both 2D and 3D drawings and also simple blueprints. 

Our Clients

  • Canon
  • Philips
  • Sony 
  • Siemens, and many more.
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