- Sales@tenghui-proto.com
- +86-18666887162
Based in Dongguan, China, TENGHUI supports overseas equipment manufacturers and engineering teams with in-house CNC machining and coordinated sheet metal fabrication, 3D printing, and surface finishing.
From one-off prototypes to repeat production, we help turn your drawings into finished parts through practical engineering support, clear communication, and accountable order management.
Built Around Your Drawings and Project Requirements
TENGHUI is a custom parts manufacturer based in Chang’an, Dongguan, China. Our in-house CNC machining facility is the foundation of our services, supporting custom metal and engineering plastic components.
We work with equipment manufacturers and engineering teams on projects ranging from individual prototypes to recurring production orders. When a project requires additional processes, our team coordinates fabrication, 3D printing, and finishing around the agreed specifications.
Our role is to turn manufacturing requirements into a clear, workable plan—from drawing review and production preparation to inspection and delivery coordination.
From Individual Components to Multi-Process Projects
CNC milling and turning for custom metal and engineering plastic components. We review part geometry, material, tolerances, and finishing requirements to plan a suitable manufacturing approach.
Typical machining tolerances are ±0.01 mm, depending on the part and process. Tighter requirements are reviewed individually against your drawings.
Laser cutting, bending, welding, and hardware insertion for custom brackets, panels, housings, and equipment enclosures.
Our team coordinates fabrication and finishing requirements, with attention to mounting features, mating dimensions, and assembly fit.
SLA, SLS, MJF, and metal 3D printing for concept models, functional prototypes, and suitable low-volume applications.
We help customers evaluate processes based on geometry, material properties, surface quality, and the intended use of the part.
Anodizing, plating, powder coating, and other finishing options to meet appearance and functional requirements.
We review coating specifications, masking areas, threads, and critical fits before processing to help reduce finishing-related issues.
Before production, we review the supplied drawings, models, and specifications to identify details that may affect machining, finishing, inspection, or assembly.
Customer Approval Guarantee: Where appropriate, we suggest practical manufacturing options for your review. Any change to the agreed design or specification requires your approval before implementation.
Drawing revisions and consistency between 2D drawings and 3D models
Material grades and finishing specifications
Critical dimensions, threads, tolerances, and mating features
Tool access, thin walls, and potential distortion
Inspection, appearance, and packaging requirements
Quality starts with understanding what matters to the part. Our team reviews inspection requirements before production and checks components during manufacturing and before shipment.
We check material specifications against order requirements. Material certificates and additional documentation can be arranged when specified and agreed upon before production.
Checks during machining help identify dimensional variation before parts move to the next operation, particularly for critical features and repeat batches.
All parts undergo inspection before shipment. Dimensional, visual, thread, and finishing checks are carried out according to the agreed requirements.
Dimensional inspection reports and CMM inspection can be arranged based on part geometry, critical features, and project requirements.
Full Dimensional & CMM Inspection
ISO 9001:2015Projects involving several manufacturing processes need careful coordination. TENGHUI follows your order through machining, complementary processes, finishing, inspection, and packing.
Step 01
We clarify drawing revisions, quantities, materials, finishing specifications, and delivery expectations before releasing the order.
Step 02
Our team checks material availability and the required processing steps when assessing lead times. If an issue could affect the schedule, we communicate it and discuss the next steps.
Step 03
Your sales contact works with engineering, production, purchasing, and quality teams to follow progress and resolve questions.
Step 04
We plan packaging around the part’s size, weight, surface condition, and transport needs. International shipping can be arranged according to the agreed delivery terms.
From first-off functional prototypes to scalable batch production and recurring orders, TENGHUI supports your engineering roadmap at every step with consistent process control, clear communication, and adaptable manufacturing capacity.
Evaluate fit, function, and assembly before committing to production. We support one-off parts and small quantities, with engineering feedback to help address manufacturing concerns early.
Move from approved prototypes to production batches with confirmed drawings, specifications, and inspection requirements.
For recurring orders, we focus on drawing revision control, consistent processing requirements, and production planning to support your purchasing schedule.
Building 1, No. 18 Shangsha Zhongnan Road, Chang’an Town, Dongguan City, Guangdong Province, China
Sales@tenghui-proto.com
+86-18666887162
Once we receive your design files, our senior manufacturing engineers will manually perform a comprehensive DFM review and deliver an accurate, optimized quote within 24 hours.
