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Henan San Kuang Machinery Technology Co., Ltd. has been a trusted name in the industrial coupling industry since 2014, delivering custom coupling manufacturing solutions that meet the highest standards of performance and reliability. With a factory spanning 10,000-30,000 square meters and a dedicated team of 51-100 experienced professionals, we specialize in producing couplings that come with a Mill Test Report for full traceability and quality assurance. Our commitment to strict quality control and fast delivery ensures that every order, whether standard or highly customized, is completed on time without compromising on precision. Whether you need flexible, rigid, gear, or diaphragm couplings, our advanced machining capabilities and rigorous testing procedures guarantee that each component meets your exact specifications.
Product Features & Technical Specifications
- Customizable Design: We offer full design flexibility – from material selection (carbon steel, stainless steel, alloy steel) to dimensional tolerances, bore sizes, and keyway configurations. Our engineers collaborate with you to create the perfect coupling for your application.
- Mill Test Report Included: Every coupling comes with a detailed Mill Test Report that documents mechanical properties, chemical composition, and dimensional checks. This ensures full material traceability and compliance with international standards.
- Strict Quality Control: Our ISO 9001, ISO 14000, and ISO 10441 certified processes include 100% inspection of raw materials, in-process checks, and final testing (balancing, hardness, torque testing). We also adhere to QS9000, SA8000, and OHSAS18001 standards.
- Fast Delivery: With an annual export value of US$2.5-5 million and efficient production lines, we can deliver standard orders within 10-15 working days and custom orders within 15-25 working days, depending on complexity.
- Wide Application Range: Ideal for pumps, compressors, conveyors, turbines, generators, and heavy machinery used in industries like mining, petrochemical, power generation, steel, and marine.
| Parameter | Available Options |
|---|---|
| Material | Carbon steel (C45, 40Cr), stainless steel (304, 316), alloy steel (42CrMo, 20CrMnTi) |
| Outer Diameter | 10 mm – 500 mm (custom sizes available) |
| Torque Capacity | Up to 50,000 Nm (higher upon request) |
| Surface Finish | Black oxide, zinc plating, phosphating, painting, or as specified |
| Balance Grade | G6.3, G2.5, or G1.0 (ISO 1940) |
| Certification | Mill Test Report, ISO 9001, ISO 14000, ISO 10441, others |
Why Choose Our Custom Coupling Manufacturing? Our couplings are designed to minimize downtime, reduce vibration, and extend equipment life. The combination of high-quality raw materials, precise machining, and strict quality control ensures that each coupling delivers consistent performance under demanding conditions. Additionally, our fast delivery and flexible customization options make us the preferred partner for OEMs and end-users worldwide.
Trust & Reliability Backed by Data Since 2014, Henan San Kuang Machinery Technology Co., Ltd. has built a reputation for excellence. Our factory covers 10,000-30,000 sqm, and we employ 51-100 skilled workers. We export to over 30 countries across North America, South America, Europe, Asia, Africa, and Oceania, with annual export value reaching US$2.5-5 million. Our products are shipped from major ports including Shanghai, Lianyungang, Qingdao, and Tianjin. We hold multiple certifications (ISO 9001, ISO 14000, ISO 10441, QS9000, SA8000, OHSAS18001, and more) that reflect our commitment to quality, safety, and environmental responsibility. Every coupling we manufacture is backed by a Mill Test Report and a team of engineers ready to support you from design to delivery. Contact us today for a quote or technical consultation – experience the difference of true custom coupling manufacturing with strict quality control and fast delivery.
Frequently Asked Questions
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Q: What is a Mill Test Report and why is it important?
A: A Mill Test Report (MTR) is a document that certifies the chemical and mechanical properties of the raw materials used in your coupling. It ensures traceability, quality assurance, and compliance with industry standards, giving you confidence in the product's integrity. -
Q: Can you manufacture couplings with non-standard dimensions?
A: Absolutely. We specialize in custom coupling manufacturing. You can provide your drawings or specifications, and we will produce couplings to your exact dimensions, tolerances, and material requirements. -
Q: What is the typical lead time for a custom order?
A: For standard custom orders, lead time is 15-25 working days after design approval. For complex or high-volume orders, we can discuss a schedule to meet your project deadline. -
Q: Do you offer any type of coupling (flexible, rigid, gear, etc.)?
A: Yes, we manufacture a wide range of coupling types including flexible couplings, rigid couplings, gear couplings, diaphragm couplings, and more. Please specify your application requirements. -
Q: How do you ensure quality control during production?
A: We follow a strict quality control system: incoming material inspection, in-process dimensional checks, hardness testing, magnetic particle inspection, balancing, and final assembly testing. All inspections are documented. -
Q: What shipping options are available?
A: We ship from Port of Shanghai, Lianyungang, Qingdao, or Tianjin. We can arrange sea freight, air freight, or express courier (DHL, FedEx, UPS) depending on your urgency and budget. -
Q: Can I get a sample before mass production?
A: Yes, sample orders are welcome. We produce samples according to your drawings, and you can test them before placing a bulk order. Sample lead time is typically 10-15 working days. -
Q: What certifications do your products have?
A: Our products are manufactured under ISO 9001, ISO 14000, ISO 10441, QS9000, and other certified systems. Mill Test Reports are provided for each batch. We can also provide additional certifications upon request.
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