QINGDAO · PRECISION ALUMINUM PLATE MANUFACTURER
Specialized in 6061-T651 and 7075-T651 high-precision plate, ultra-flat plate, tooling plate and cut-to-size supply for demanding industrial applications.
Company grade standard · 2026-05-06
PRODUCT SYSTEM
Each route is matched to machining method, target flatness, thickness tolerance, surface requirement and cost position.
6061 · 5A
A high-precision surface plate intended for full-cavity and appearance-critical machining where thickness consistency and direct-use surface quality matter.
6061 · ULTRA-FLAT A
A broad-range precision plate balancing flatness, surface finish and machining stability for automation, electronics and precision equipment parts.
Precision-ground aluminum bar stock supplied as accurately cut blanks. Cut surfaces can proceed directly to anodizing with no additional machining allowance; selected specifications can be precision-cut down to 3 mm, subject to technical review.
6061 · TOOLING
A stress-relieved thin-plate route for jigs, fixtures and tooling where initial flatness and reduced rebound support repeatable machining.
6061 · TLK
A cost-conscious machining plate for larger panels, fixtures and general precision components that need controlled flatness and practical availability.
7075 · ULTRA-FLAT
A high-strength ultra-flat route for load-bearing precision components, demanding fixtures and parts where strength-to-weight performance matters.
7075 · STANDARD
High-strength plate for tooling and structural precision parts that need 7075 performance with standard commercial flatness classes.
5052 · FORMING & FABRICATION
A formable, weldable 5xxx-series plate for equipment panels, enclosures and fabricated parts where corrosion resistance and clean forming performance are priorities.
5083 · WELDED STRUCTURES
A higher-strength non-heat-treatable plate for welded structures, transportation and marine-related components requiring corrosion resistance and dependable welded performance.
TECHNICAL DATA
The table below is transcribed from the company product grade standard dated May 6, 2026. It is a screening reference, not an unconditional guarantee for every size.
| Product route | Selected thickness | Thickness tolerance | Flatness | Reference hardness / size |
|---|---|---|---|---|
| 6061-T651 5A | 3-6.35 mm | 0 to +0.05 mm | 0.1 mm/m² | 88-110 HB · 1250/1525 × 5000 |
| 6061-T651 ultra-flat A | 7-12 mm | ±0.10 mm | 0.1 mm/m² | 88-110 HB · selected width up to 2000 |
| 6061 TLK | 15-25 mm | ±0.10 mm | 0.2 mm/m² | 75-90 HB · 1250/1525 × 5000 |
| 7075-T651 ultra-flat | 2-12 mm | 0 to +0.10 mm | 0.1-0.5 mm/m² | >150 HB · 1250/1500 × 5000 |
| 7075-T651 standard | 8-15 mm | 0 to +0.25 mm | 0.8 mm/m² | >150 HB · selected size up to 2000 × 5000 |
* Values vary with thickness, width and product class. Final feasibility, tolerance, inspection method, certificate and delivery condition are confirmed in the quotation or contract.
COMPANY PROFILE
Qingdao Zhongwang Sanchang Aluminum Co., Ltd. integrates research, production, precision processing and sales. The company focuses on high-precision ultra-flat aluminum plate and application-oriented aluminum solutions for industrial manufacturing.
The company reports more than 200 employees and annual output value of approximately RMB 500 million. Subsidiaries in South Korea, Jiangsu and Guangdong, together with an international business division, support customers across China and overseas markets.
Guided by craftsmanship and continuous improvement, we concentrate on consistent quality, machining suitability, responsive technical communication and dependable long-term cooperation.
Company scale and location information is provided by Zhongwang Sanchang.
FACTORY & PROCESS
Our Qingdao site supports aluminum plate processing, sawing, surface protection and shipment preparation. Technical review starts from the finished part and its machining route.
Application, grade, temper, dimensions, flatness, tolerance and destination.
Match 5A, ultra-flat, tooling, TLK or standard plate to the job.
Saw cutting, protective film, handling and export packing by order.
Confirm agreed inspection items, traceability and order documents.
R&D & INTELLECTUAL PROPERTY
Two utility-model patents supplied by the company document improvements to polishing-water filtration and high-precision plate cleaning.
Utility model patent certificate
Utility model patent certificate
The certificate images are shown as source documents. Patent validity and legal status should be verified through the official patent database when required.
QUALITY & COMPLIANCE
Current quality-system, RoHS, SDS and representative material-certificate files supplied by Zhongwang Sanchang, organized by alloy and document type.
QUALITY SYSTEM
GB/T 19001-2016 / ISO 9001:2015 certification for aluminum sheet processing, valid through March 13, 2028.
SGS · RoHS
SGS report TAOEC26004324101/102 dated April 28, 2026. The tested sample passed the EU RoHS requirements stated in the report.
SGS · RoHS
SGS report TAOEC26004809901/902 dated May 11, 2026. The tested sample passed the EU RoHS requirements stated in the report.
SAFETY DATA SHEET
Version V0 released April 27, 2026. The product is identified as a silver metallic solid and is not classified as a hazardous substance or mixture in the SDS.
SAFETY DATA SHEET
Version V0 released April 27, 2026. The product is identified as a silver metallic solid and is not classified as a hazardous substance or mixture in the SDS.
MATERIAL CERTIFICATE · SAMPLE
Representative batch certificate to GB/T 3880.2-2024: actual Rm 315 MPa, Rp0.2 275 MPa and elongation 11%.
MATERIAL CERTIFICATE · SAMPLE
Representative batch certificate to GB/T 3880-2024: actual Rm 552 MPa, Rp0.2 475 MPa and elongation 10%.
Reports apply only to the tested samples or representative batches. Final certification, applicable standards, validity and document package are confirmed per quotation or contract.
GLOBAL PROJECT SUPPORT
We work with overseas equipment manufacturers, machining companies, industrial distributors and project partners. Share the part, drawing or plate requirement and we will review a suitable supply route.
REQUEST A QUOTATION
For a useful first review, include alloy and temper, thickness × width × length, quantity, target flatness or tolerance, end use and destination.
Product scope, dimensions, tolerances, standards, certificates and lead time are subject to technical review and the final quotation or contract.
