OEM Non-Standard Long-Axis Machining Hexagon Flange Head Screw for Hardware

Product Description

Product Description

  
Welcome to the world of Zhengrong precision machining.
With nearly 20 years of processing experience and are one of the oldest machining factories in China.

We specialize in the processing of precision, complex, special, small parts, and we have rich experience in CNC machining, lathing, milling,grinding, EDM, and wire cutting machining.

Especially in semiconductor testing equipment, medical equipment, electronic equipment, precision chemicals, aerospace, various machinery and other fields, it is widely used.

We enjoy a well-established reputation both domestically and internationally. And have established long-term friendly cooperative relationships with many customers in Japan, the United States, Europe, etc.
 

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Company Profile

Established in February 2007, Qingdao Zhengrong Precision Machinery Co., Ltd. is headquartered in Chengyang District, Qingdao City, Shandong Province, China.
With over 50 employees, including 5 technical personnel, the company boasts a comprehensive range of departments, encompassing CNC machining, milling, grinding, EDM, quality inspection, and foreign trade. Since its inception, the company has adhered to stringent ISO9000 quality management standards in both production and quality control. Zhengrong's products are exported globally, establishing long-term and stable cooperative relationships with customers in the United States, Japan, Spain, Australia, and numerous other countries.

Our Expertise
Material Expertise: We are proficient in machining parts of various materials, including various metals, stainless steel, special steel, aluminum, copper, alloys, plastics, etc.

Process Expertise: We are skilled in a wide range of machining processes, including CNC machining, milling, centerless grinding, flat grinding, OD grinding, drilling, laser cutting, wire cutting, EDM and more.

Part Expertise: We specialize in machining various parts, such as brackets, adapters, housings, flanges, timing pulleys, blocks, bushings, dowel pins, gear shafts, rollers, spur gears, connectors, plates, pipe fittings, bases, baffles, gaskets/washers, rings, insulating wheels, guide rods, etc.

Industry Expertise: Our machined parts are widely used in various industries, including semiconductor test equipment, medical devices, aerospace, hydrogen energy engines, automotive assembly lines, steel belt packaging machines, CCD sorting machines, ships, EMU, cameras, mobile phones and more.

 

FAQ

Q1: What kind of parts do you specialize in machining?

We excel at producing precise, small, special, and complex parts. Our expertise lies in creating intricate components that require tight tolerances and unique functionalities.

Q2: What processing technologies do you offer?

We possess a comprehensive suite of CNC machining capabilities, including 3-4 axis CNC machining, turning, milling, centerless grinding, surface grinding, cylindrical grinding, EDM (Electrical Discharge Machining), wire cutting, and laser cutting. This extensive range allows us to tackle a wide variety of projects with the most appropriate technique.

Q3: What tolerances can you guarantee?

We hold ourselves to the highest precision standards, guaranteeing tolerances down to +/- 0.001mm (1 micron or 1 micrometer). This ensures exceptional accuracy and functionality for your parts.

Q4: What is the typical lead time for production?

Our lead times are flexible and depend on the complexity of your project. Typically, we can complete production within 7-30 days.

Q5: Do you accept sample orders? And what is the sample lead time?

Absolutely! We understand the importance of sample verification before mass production. We offer sample orders with a quick turnaround time of approximately 7 days.

Q6: Do you provide inspection reports and material certificates?

Yes, we provide comprehensive documentation for your parts, including detailed inspection reports and material certificates. Additionally, we can offer heat treatment reports to ensure complete transparency and traceability.

Q7: How do you ensure quality?

We prioritize quality throughout the entire process. We have a dedicated in-house quality inspection department equipped with CMM (Coordinate Measuring Machine) testing capabilities. Furthermore, we support third-party testing to guarantee the highest quality standards for your project.