Company background and market direction

About the company behind Sinfone.

Sinfone is the export-facing brand of Yuyao Xinfeng Plastic Chemical Co., Ltd. Founded in 2007, the company operates from Yuyao, Zhejiang, with factory operations in Simen Town Industrial Park and convenient access to major regional transport links, including Hangzhou Bay Bridge and Ningbo Port.

Company snapshot

China-based manufacturer with practical export support.

Founded Company materials trace the business story back to 2007.
Legal entity Yuyao Xinfeng Plastic Chemical Co., Ltd.
Office and factory No. 359 North Xinjian Road, Yuyao, Zhejiang Province, China, with factory operations in Simen Town Industrial Park.
Location advantage Company materials place the business within convenient distance of Hangzhou Bay Bridge and Ningbo Port, supporting domestic and export logistics.
Market direction China-based production with active efforts to build long-term cooperation in the U.S. market and beyond.
Core capabilities

Experienced color matching, multiple resin systems, and custom support.

  • Our color-matching and masterbatch team brings roughly 10 to over 20 years of experience across development and production work.
  • We support both general-purpose and resin-specific masterbatch systems, including PP, PE, ABS, PS, POM, PA, PC, EVA, and PMMA directions.
  • We maintain regular-stock colors, support custom development, and can also discuss toll manufacturing for supplied materials.
Processing and quality support

Compounding equipment and laboratory tools for day-to-day quality control.

Company materials describe equipment such as internal mixers, high-speed mixers, FCM continuous mixers, twin-screw extruders, profile equipment, cold drawing lines, and hot-cut systems. Quality support includes color assessment, melt flow, dispersion, aging, moisture, impact, and related checks according to product and application needs.

Production equipment and processing area
Production and process equipment shown in company materials, supporting compounding, mixing, and day-to-day manufacturing work.
Applications and service range

Application coverage, process range, and custom project support.

We prefer to describe the company in terms of what it can actually support: application areas, processing routes, resin compatibility, and the ability to move from standard supply into custom development when a project requires it.

Application coverage

Company materials describe application support across packaging, household appliances, pipe and sheet, bath and leisure products, consumer goods, and automotive electrical components.

Processing coverage

Processing routes described in the profile include extrusion, injection molding, rotational molding, blow molding, blown film, wire drawing, and calendering.

Custom and toll services

Alongside standard white and black masterbatch supply, we support custom color development and can also discuss processing with supplied materials for suitable projects.