Shandong Changxing

Production Facilities

From manufacturing to storage and testing - a comprehensive look at Shandong Changxing's modern factory facilities

Manufacturing Facility

State-of-the-art production facilities with advanced technology and stringent quality control

Wansheng Factory main entrance plaza - DOTP plasticizer production facility entrance
Large-scale industrial storage tank area - Multiple DOTP storage containers
Dioctyl Terephthalate storage tanks - DOTP plasticizer bulk storage equipment
Industrial loading and unloading area - Raw material and finished product handling zone
Liquid nitrogen cryogenic storage - Low-temperature storage for chemical processing
Intermediate product storage tanks - Batch processing storage facilities
Multiple intermediate storage tanks - Production workflow storage system
Internal access corridor - Production area connection walkway
Chemical refining unit with distillation tower - DOTP product purification system

Equipment, Capacity & Safety Standards

Detailed equipment specifications, annual production capacity, and integrated safety & environmental management standards.

Key Production Equipment

Equipment Specification Capacity
Esterification Reactor System Stainless steel, automated temperature & pressure control 60,000 tons/year per line
Vacuum Distillation Tower Multi-stage continuous distillation with DCS monitoring Continuous purification
DCS Central Control System Distributed control with real-time data acquisition Full-process automated monitoring

Annual Production Capacity

Plasticizer 230,000 tonnes/year

Safety & Environmental Standards

  • ISO 45001 Occupational Health & Safety Management System
  • ISO 14001 Environmental Management System
  • ISO 50001 Energy Management System
  • National Safety Production Standardization Certificate
  • Fire protection, spill control & emergency response system
  • Waste gas/wastewater treatment meeting national discharge standards

Warehouse & Storage Facilities

Our modern warehouse facilities ensure safe and efficient storage of raw materials and finished products.

Warehouse interior with organized chemical barrel storage on pallets
Intermediate product storage area with organized containers at modern warehouse facility
High-bay warehouse with tall stacks of blue chemical barrels
Industrial shelving system with IBC totes and containers
Intermediate storage tanks with safety infrastructure at warehouse facility

Laboratory & Testing Center

Our state-of-the-art quality testing center is equipped with advanced analytical instruments to ensure every product meets the highest standards.

Laboratory equipped with precision analytical instruments including gas chromatograph

Precision Analytical Instruments

Glass test tubes and volumetric flasks arranged on wooden and acrylic racks

Sample Testing Station

Modern laboratory workspace with fume hoods and chemical storage

Quality Control Laboratory

Integrated Management System Certification

Certified to ISO 9001, 14001, 45001, and 50001, we uphold integrated standards for quality, environmental, safety, and energy excellence.

Integrated Management System Certification

Integrated Management System Certification

ISO 9001 / ISO 14001 / ISO 45001 / ISO 50001

ISO 9001 Quality Management
ISO 14001 Environmental Management
ISO 45001 Occupational Health & Safety
ISO 50001 Energy Management

Certification Scope

  • ISO 9001 Quality Management
  • ISO 14001 Environmental Management
  • ISO 45001 Occupational Health & Safety
  • ISO 50001 Energy Management
View Certificate Download Certificate (PDF)
Carbon Footprint Report

Carbon Footprint Report

Carbon Footprint

ISO 14067 / GHG Protocol

Report Overview

We have completed carbon footprint accounting and certification for our key products, providing customers with transparent and reliable environmental data support.

DOTP Carbon Footprint Report MEG Carbon Footprint Report

Interested in Our Products?

Explore our DOTP plasticizer, 2-Octanol, MEG, and DCP product portfolio.

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