Our Advantages

Our services

Why choose us?

Our services
Professional  manufacturing
Surface treatment

Surface treatment

JJD has extensive experience in surface treatment of castings, providing powder spraying, liquid spraying, anodizing, electroplating, and other surface treatments for castings.

Machining

Machining

machine design Processing of predictable results During the development of new products for customers, our engineers will provide suggestions for cost reduction and feasible processing techniques based on their requirements, and brake customers to optimize product drawings. Our design engineers in the machining workshop have checked the reliability of long-term operation and compatibility with the fixture design of the machining center, which has supported the customer's demand for many years. Our continuous processing capabilities can meet the specific functions of components. This is inseparable from our advanced product quality control and the joint efforts of key technical personnel representatives. Selective utilization of time and ensuring the optimal processing cycle is an important part of our process planning. This is achieved through careful consideration of equipment and labor efficiency. The design of both cutting tools and fixtures is crucial for achieving effective dimensional control constants.

Aluminum gravity casting

Aluminum gravity casting

JJD is an experienced aluminum gravity casting manufacturer. Our mission is to provide customers with high-quality and competitive aluminum castings. Our aluminum gravity casting products are supplied to many industries, including automobiles, high-voltage electrical control, building hardware, sports equipment, ship accessories, mechanical accessories, and aviation accessories. These parts are mainly exported to Europe and North America. JJD can also use different materials and post-processing to meet customer requirements for casting functions.

Die-casting

Die-casting

Special aluminum alloy materials can be formulated according to the performance requirements of customer products Each die-casting machine is equipped with an independent smelting furnace, which can meet the needs of customers with multiple varieties and small batches while shortening customer delivery times JJD also has vacuum die-casting, semi-solid die-casting, and ultra low speed (SSS) die-casting technology Our die-casting parts can be anodized and T6 heat treated

Why choose us?
100% Satisfaction
Premium
Clientele
JJD is dedicated to crafting top-tier global manufacturing solutions. We closely collaborate with leading manufacturers worldwide, such as ABB, Agile-Robots, Hitachi Energy, Motic, Boeing, Permobil, TE, Fresenius Kabi, and Emtek. Our products are extensively used across various sectors, including aviation, healthcare, electrical control, shipping, automotive, and construction hardware.
Integrated
Process Chain
JJD possesses comprehensive integrated capabilities, encompassing support for customer design and research development, mold design and production, die-casting, CNC machining, air-tightness testing, surface treatment, and component assembly. In addition to these core services, we are also proficient in various auxiliary processes such as heat treatment of castings, anodic oxidation, electroplating, passivation, and impregnation. This diverse and comprehensive expertise ensures that we can meet various customer needs and provide top-notch service.
Skillful Technology Application
 
In the process of casting production, we have successfully implemented a variety of mature techniques. These include the refinement and gas content control of materials, pinpoint cooling of molds, temperature control and dynamic monitoring of temperature control machines, vacuum die casting, partial squeeze casting, low-speed laminar flow, and sand core die casting. These mature techniques ensure the high quality and efficiency of our casting production.
Quality
Control

All parts produced by JJD are subject to stringent quality control. We manufacture according to a comprehensive Quality Instruction Manual, and each product undergoes initial, in-process, and final inspections supported by precise measuring tools and testing equipment, ensuring the highest product quality.

We place a strong emphasis on the use of Statistical Process Control (SPC), conducting continuous data tracking and analysis on our products to identify and optimize areas for improvement.

All production plans at JJD are overseen through our Quality Management System (QMS) during operations, satisfying the high standard requirements of our customers for product traceability.

Application of New Technologies/New Equipment
JJD is consistently committed to exploring and implementing new technologies to enhance efficiency and intelligent capabilities, staying in step with the latest global industry technology and equipment. Our technical equipment is continually upgraded and modernized to adapt to evolving demands. In key areas such as die-casting production, CNC machining, and intelligent inspection, we actively introduce the most advanced equipment, innovative technologies, and inspection methods, driving our entire production process towards a higher level of automation and intelligence..