Yihui Casting Official After-Sales Expert Team

Nationwide 24 On-site Response | Genuine OEM Parts | Lifetime Technical Support | Full Refund if Not Satisfied

Experience：

12 years of full-cycle after-sales experience in precious metal precision casting equipment. Holds specialized maintenance qualifications for vacuum metallurgical equipment and certifications for industrial environmental protection production line operations.

Areas of Expertise：

Full-chain equipment O&M for jewelry melting, powdering, and casting; factory production line capacity upgrading; precious metal production loss reduction; environmental compliance system optimization; and specialized empowerment training for factory technical teams.

Benchmark Service Cases：

Total after-sales package for the national production base of a leading domestic jewelry chain brand; Served over 200 large-scale jewelry processing factories cumulatively; Established a standardized brand maintenance system, increasing production line utilization rate to 98.5%.

Experience：

22 years of R&D and technical support experience in precious metal casting processes. Holds a Registered Casting Engineer certification. Over 20 years of dedicated research in karat gold casting technology.

Areas of Expertise：

Process solutions for complex alloys such as Karat Gold, Platinum, Rose Gold, and Ancient Gold; investment casting process optimization; troubleshooting and repair of casting defects including porosity, sand holes, and shrinkage porosity; pilot production process guidance for new products; establishment of standardized process systems for factories.

Service Cases：

 Process upgrade projects for karat gold casting lines for Lao Feng Xiang and Chow Sang Sang; R&D and implementation of ancient gold craftsmanship for a high-end jewelry brand; resolved complex quality issues for over 300 factories nationwide; trained over 1,000 factory technicians cumulatively; helped clients increase finished product pass rate from 75% to 96%.

Extensive Experience：

 8 years of experience in installation, commissioning, and technical support for precision casting auxiliary equipment. Proficient in the operation and maintenance of Yihui's full range of casting auxiliary equipment.

Areas of Expertise：

Installation, commissioning, routine maintenance, fault diagnosis, and operational training for full-series equipment including continuous casting ingot machines, gold granule making machines, wax setting machines, fully automatic wax injectors, vacuum vulcanizers, investment mixers, medium-frequency induction furnaces, and gold melting furnaces.

Benchmark Service Cases：

Served over 500 small and medium-sized jewelry processing factories nationwide; completed installation and commissioning for 300+ sets of auxiliary equipment; average equipment troubleshooting resolution time ≤ 4 hours; zero major quality complaints; conducted over 100 equipment operation training sessions cumulatively.

Extensive Experience:

6 years of specialized technical support experience in precious metal casting and laser equipment. Holds national qualification for laser equipment operation and maintenance.

Areas of Expertise：

Installation, commissioning, precision calibration, fault repair, and equipment upgrading for fully automatic continuous casting machines, laser welders, laser marking machines, and laser cutters.

Benchmark Service Cases：

Installation and commissioning projects for casting production lines for Chow Tai Fook and Chow Sixth Fook; completed maintenance and precision calibration for 200+ laser equipment units; helped clients increase casting yield to 99.2%; customer satisfaction rate above 98%.

Extensive Experience：

5 years of technical support experience in precious metal casting post-processing and auxiliary equipment. Proficient in the full-process technology of grinding and casting post-processing.

Areas of Expertise：

Installation, commissioning, maintenance, repair, and process parameter optimization for various post-processing equipment including magnetic polishers, centrifugal finishing machines, and barrel tumblers; as well as auxiliary casting equipment such as wax injectors and investment mixers.

Benchmark Service Cases：

Served post-processing production lines for over 200 jewelry processing factories; resolved industry pain points such as low grinding and polishing efficiency and poor surface finish; helped clients reduce post-processing equipment failure rates by 40% and cut post-processing labor costs by 30%.

Extensive Experience：

7 years of experience in full-process after-sales parts management and technical documentation standardization for precious metal equipment. Proficient in Yihui's full-range equipment parts system.

Areas of Expertise：

Precision allocation of OEM repair parts, dynamic parts inventory management, closed-loop tracking of after-sales service orders, standardized filing of technical documents, systematic management of customer after-sales records, and statistical analysis of after-sales operational data.

Benchmark Service Cases：

Established a unified national after-sales parts management system for Yihui, increasing parts inventory turnover by 35%; responsible for precise dispatch of repair parts to over 800 cooperative customers nationwide, achieving a 99.5% parts timely fulfillment rate; organized and archived over 1,200 equipment technical manuals and service orders, creating the company's first standardized after-sales knowledge base.