About Us

Since its establishment, Haojie Engineering has been committed to providing high-quality engineering machinery components to customers worldwide. From the initial support wheels and sprocket wheels to now covering a full range of products such as guide wheels and drive teeth, Haojie Engineering has always adhered to customer demand orientation, technological innovation as the core, and continuously improved the performance and reliability of products.
Certificate
- High-Tech Enterprise CertificateThe company has been certified as a "High-Tech Enterprise", indicating its leading position in R&D and technological innovation in the construction machinery parts industry, driving product upgrading and enterprise development with technology.
- Fujian High-Tech Enterprise Cultivation CertificateQuanzhou Yongxing Engineering Machinery Co., Ltd. has been recognized as a Fujian high-tech enterprise cultivation unit, highlighting its potential and vitality in technological research and development and innovation in the construction machinery parts field.
- "Emphasizing Quality and Keeping Reputation" Member Unit PlaqueThe company has been awarded the title of "Member Unit of Fujian Quality Culture Promotion Association, Emphasizing Quality and Keeping Reputation", recognizing its commitment to quality and reputation in the industry.
- Quality Management System Certification CertificateQuanzhou Yongxing Construction Machinery Co., Ltd. has passed the GB/T19001-2008/ISO9001:2008 quality management system certification, covering the production and service of core parts such as track rollers and front idlers, ensuring strict quality control throughout the process.
- Orange FlowersThe company has been granted a utility model patent for "Track Roller", reflecting its technical breakthroughs and innovation in the structural design of construction machinery components.
- Appearance Design Patent CertificateQuanzhou Yongxing Engineering Machinery Co., Ltd. has obtained an appearance design patent for "Track Roller", demonstrating its innovative design capability in construction machinery parts.
This is a portion of our inventory
Our Service Commitment

How do we serve you
We are dedicated to providing you with comprehensive, customer-centric services that ensure your needs are met at every stage.
Instructions
Customer service:7*24h online
Build a 7 × 24-hour online customer service system, with over 10 professionals proficient in both Chinese and English, who can provide customer service through the official website WhatsApp(+86-15759577878)、WeChat(sywo3o-)、 Exclusive email( sales2@rhkmachine.com )Contact the hotline (+86-1575957878) to meet your needs.

Factory inspection:Can visit the factory before placing an order
Before placing an order, customers can visit Industry, Changtai, Licheng district, Quanzhou city, Fujian, China, and have dedicated personnel accompany them to explain the process and quality inspection; Out of town/overseas customers can enjoy remote video inspections to eliminate quality concerns.

OEM products:Support OEM customization
Based on 17 years of experience, we provide OEM services. Our technical team develops solutions (materials, logos, coatings, etc.) as needed, supports small and large batch customization, and communicates and adjusts throughout the process to ensure compliance with customer expectations.

Drawing check:After the order is confirmed, can provide the drawing, confirm the size and other information.
After order confirmation, the technical team will provide design drawings including dimensions (accurate to mm) and structure. Customers can provide modification suggestions and make adjustments within 24 hours; When customers provide drawings, the team will review and optimize them to ensure product compatibility.

Terms of trade:Support different trade terms according to customer needs
Support different trade terms, recommend solutions based on customer logistics and customs clearance capabilities, clearly label responsibilities and fees in contracts, and adapt to different domestic and international needs.

Product testing: Every product is tested for 100% quality
Establish a full process testing system: measure the composition and performance of raw materials, measure the dimensions of components, measure the wear resistance/strength/sealing of finished products, archive and check the data, and only deliver 100% qualified products.

Packing:Packaging can be developed according to customer needs.Such as wooden pallets, wooden boxes etc.
Can be adjusted according to product type (precision/heavy), transportation mode (sea/air), and supports printing customer logos; The business team recommends the best solution and provides sample confirmation.

Certificate support:CO. / FORM A / FORM E / FORM B / FTA,ETC.
Can handle certificates such as CO, FORM A/E/B, FTA, etc

