- zsdscrew.com
- WA: +86 137 7630 6699
A: We are a certified source factory located in SuZhou, China, with 16+years of expertise. Unlike trading companies, we operate our own cold-heading and thread-rolling lines, offering you factory-direct pricing, total quality control, and transparent production timelines.
A: It represents the highest quality standard in the automotive industry. For you, this means Automotive-Grade precision, 100% batch traceability, and a "Zero Defect" management philosophy applied to every fastener we produce, regardless of your industry.
A: Absolutely. Customization is our core strength. Our engineering team works with CAD, SolidWorks, and 3D Step files. From specialized head types to complex multi-station parts, we provide a one-stop solution from rapid prototyping to mass production.
A: Beyond our IATF protocols, we utilize high-speed automated optical sorting machines. These systems inspect 100% of the batch for dimensional accuracy, thread integrity, and surface defects, ensuring we meet your strict PPM (Parts Per Million) requirements.
A: Yes. As an IATF-certified partner, we provide full PPAP Level 3 packages, including Control Plans, PFMEA, and ISIR. Every shipment is accompanied by a 3.1 or 3.2 Material Test Report to verify chemical and mechanical compliance.
A: For standard stock items, there is no MOQ—you can order by the box. For custom parts, the MOQ depends on the specifications. We offer free samples for quality evaluation (customer covers shipping), which can be fully refunded upon mass production orders.
A: Stock items are shipped within 24-72 hours. Standard production typically takes 20-30 days, while complex custom projects (including tooling) take 35-45 days. We provide a firm delivery commitment with every quotation.
A: Yes. We offer DDP services globally (USA, Europe, Southeast Asia, etc.). We handle all freight, customs clearance, and import duties, delivering the goods directly to your door so you can focus on your business without logistics headaches.
Salt spray machine
Metallurgical microscope
Projector
Rallying machine
spectrometer
Metallographic mounting machine
Metallographic grinding machine
Rockwell hardness tester
Digital display miniature thickness gauge
Metallographic cutting machine
Vickers hardness tester
Roughness meter
Concentricity meter
Coating thickness gauge
Digital torque wrench
Thread plug and plug gauge
height gauge
Digital caliper
Digital micrometer
Film thickness meter
Provide customers with the most advanced technical concepts and product knowledge, saving the cost of customer technicians in fastener selection, testing, and use.
Deeply understand the various requirements of fasteners, verify the feasibility of fasteners through customer use, and provide the most appropriate solution.
Standardization of fasteners，Ensure the consistency of quality to be accordant。Provide sinking services for customer supply chains and ensure efficiency for large-scale production.
The project, business, and order triangle service team meets the technical, procurement, and designated supplier needs of customers, ensuring that product delivery is adequate and information is synchronized and shared.
Whenever customers raise any inquiries, anyhow we have to offer the best solutions and address them in a timely manner.
Ample thoroughly reviews product and service content, proactively and continuously optimizes solutions, ensuring customer centricity.
Accompany and escort clients’ pre research projects, become innovative partners for clients, and collaborate efficiently.
We serve multiple industries and our products deeply empower key industries such as precision electronics, mechanical manufacturing, automotive engineering, communication equipment, new energy, and construction.
As a rising force in the industry, we integrate decades of technological accumulation with cutting-edge digital manufacturing systems, equipped with fully automated production packaging lines and high-precision detection systems. Our product performance continues to exceed both national and international double standards.
ZhongSiDe has always taken “guarding every key connection” as its mission, adhering to the development philosophy of quality as the root, efficiency as the priority, and reliability as the foundation, and is committed to building a global long-term partnership.
