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Quality certifications and compliance

Four ISO management system certifications, Hebei Provincial Green Factory and Hebei Advanced Intelligent Factory — assuring product quality and reliable supply

Management system certifications — ISO

Syntone is certified to four international management system standards and is one of the few private chemical companies in Hebei Province to hold all four ISO certifications.

ISO 9001

Quality Management System (2018)

Ensures quality control across the entire process, from raw material procurement to product delivery

Certificate No.: 04525Q30248R1M
Scope: All product lines

ISO 14001

Environmental Management System (2018)

Systematically manages environmental impact for green production

Certificate No.: 0350123E20808R0M
Scope: All production units

ISO 45001

Occupational Health and Safety Management System (2018)

Protects employee health and ensures safe production

Certificate No.: 0350123S30788R0M
Scope: All production sites

ISO 50001

Energy Management System (2023)

Continuously improves energy efficiency and reduces carbon emissions

Certificate No.: 0350123En20205R0M
Scope: Energy management for the production of petroleum mixed xylene (including petroleum ether) and industrial styrene

View certificate (PDF)

Why it matters: the four ISO certifications show that Syntone meets international standards in product quality, environmental protection, employee safety and energy efficiency — key criteria customers use to assess supplier compliance.

Green and intelligent manufacturing

Hebei Provincial Green Factory (2024)

A provincial certification of the company's overall performance in efficient land use, non-hazardous raw materials, clean production, waste recycling and low-carbon energy.

View official notice (PDF, Chinese)

Hebei Advanced Intelligent Factory (2026)

With advanced equipment, process control systems and a professional management and operations team, the company is driving digital transformation and high-quality growth.

Outstanding Achievement awards (Grand, First and Second Prize) in Hebei's provincial energy-saving and emission-reduction improvement and innovation program (consecutive years since 2023)

Since 2023, the company has received Outstanding Achievement awards (Grand Prize, First Prize and Second Prize) in Hebei's provincial energy-saving and emission-reduction improvement and innovation program in consecutive years.

Safety and environmental compliance

  • Hazardous chemicals production licence: located in the Renqiu Petrochemical Industrial Zone, the company holds valid licences for the production and trading of hazardous chemicals
  • Work safety standardization: a comprehensive work safety management system is in place
  • Environmental compliance: comprehensive auxiliary facilities, such as a wastewater treatment plant, circulating water plant, laboratory and loading and unloading area, ensure environmental compliance throughout production

SGS test reports

Syntone can provide customers with SGS test reports for the following products:

Petroleum toluene, petroleum mixed xylene, petroleum mixed xylene isomers, styrene, maleic anhydride, polystyrene, hydrogen (purity 99.999%), LPG, petroleum benzene, sulfur, ethylbenzene, toluene blend, naphtha (hydrotreated), commercial propane, commercial butane, liquid ammonia, ammonia water

Quality control process

  1. 01

    Raw material inspection

    All raw materials are inspected before warehousing so quality is controlled at the source

  2. 02

    Process monitoring

    All 8 main production units are monitored automatically with key parameters collected in real time

  3. 03

    Finished product testing

    Every batch is fully tested before leaving the plant and a quality inspection report is issued

  4. 04

    Retained samples and traceability

    Samples of every batch are retained for full traceability

Supply chain and delivery

The wholly owned subsidiary Hebei Dongfang Tongxin Chemical Co., Ltd. holds a road transport permit for hazardous chemicals and runs its own hazardous chemicals fleet, so production and delivery are handled in one chain. The company has its own full export qualifications and customs declaration capability and exports to several countries and regions in the Asia-Pacific.

  • Hazardous chemicals transport qualification and own fleet
  • Integrated production and transport, so delivery times and quality are not affected in transit
  • 8 main production units and comprehensive auxiliary facilities form a complete production chain
  • Own export qualification and customs declaration capability
Quality control laboratory