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Changzhou Sanli Tech: Your Chemical Solutions Partner

Changzhou Sanli Tech: Your Chemical Solutions Partner

We are Changzhou Sanli Tech International Trade Co., Ltd., a trusted provider of comprehensive chemical solutions. Specializing in tower and internals supply, we offer diverse products like liquid distributors and gas spargers in materials such as alloys, ceramics, and stainless steel. Our services include chemical technology support for process optimization and environmental compliance, along with a wide range of industrial equipment like pumps and skid systems. We excel in chemical production technologies, paint industry chemicals, energy-saving plant design, and intelligent engineering solutions. Our expertise spans formaldehyde, methanol, plastic, ethylene, and polymer production, delivering safe, efficient, and innovative solutions for various industrial needs.
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Why choose us?

Diverse Tower and Internals Supply

We provide a wide range of towers and internals in materials like special alloys, ceramics, graphite, plastic, and stainless steel. Liquid distributors (orifice, trough, ladder, spray nozzle types) and gas distributor spargers are designed for uniform distribution, considering scaling/foaming factors. Packing supports, bed limiters, and mist eliminators (mesh/chevron types) are offered to enhance purity and prevent equipment damage.

High-Quality Industrial Equipment Provision

Specializing in chemical industry equipment, we offer top-grade materials resistant to corrosive/abrasive chemicals (solvents, acids, oils, etc.). Product lines include diverse pumps (barrel, pneumatic diaphragm, centrifugal) and customized skid-mounted systems for single-point connection. All equipment meets API standards, with pumps complying with ANSI for guaranteed reliability.

Innovative Energy-Saving & Intelligent Solutions

We design energy-efficient chemical plants, optimizing processes with high-efficiency heat exchangers and energy-saving pumps/fans. Intelligent solutions integrate big data, AI, and IoT for real-time process control, equipment fault prediction, and remote monitoring, enabling clients to achieve dual economic and environmental benefits.

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The company supports polycarbonate (PC) production with advanced technologies and application expertise. PC is produced via two main routes: phosgene-based interfacial polymerization (yielding high-molecular-weight PC, Mw > 30,000 g/mol) and non-phosgene melt polymerization (environmentally friendly, suitable for food contact applications). Polymerization processes are optimized to control molecular weight distribution (Mw/Mn < 2.5) and end-capping (with phenol or t-butyl phenol) to regulate thermal stability (decomposition temperature > 340°C). PC grades are tailored for specific applications: optical grades (abbe number > 30, birefringence < 5 nm/mm) for lenses and CDs, flame-retardant grades (UL94 V-0 at 1.5 mm) for electronics, and impact-modified grades (with PMMA or silicone additives) for automotive glazing. The company also offers PC alloy development, such as PC/ABS blends for automotive interiors (heat resistance > 110°C, scratch resistance > 3H), with comprehensive testing services including DMA, TGA, and optical property analysis.

Frequently Asked Questions

What types of towers and internals does your company supply, and what materials are used?

We supply various towers and internals, including liquid orifice distributors, trough distributors, ladder distributors, spray nozzle distributors, and gas distributor spargers. Materials include special alloys, ceramics, graphite, plastic, and stainless steel. Designed for uniform distribution in packed beds, considering factors like scaling and foaming, we also offer packing supports, bed limiters, and mist eliminators (mesh/chevron types) to enhance purity and prevent equipment damage.
Our expert team offers comprehensive support for R&D, production, process optimization, supply chain management, and environmental compliance. Services include process optimization to boost efficiency, sustainability solutions for regulatory compliance, safety risk management, IP protection strategies, and supply chain integration to reduce costs. We provide customized guidance across the entire chemical technology operation cycle.
We optimize energy efficiency in plant design through high-efficiency heat exchangers for energy recovery and energy-saving pumps/fans to lower operational energy consumption. Advanced automation controls adjust equipment parameters in real-time based on production load, preventing energy waste. We also offer energy management consulting to establish monitoring systems, achieving dual economic and environmental benefits.
Our intelligent solutions integrate big data analytics for process optimization and equipment fault prediction, AI algorithms for real-time control of reaction parameters (temperature, pressure), and IoT technology for remote equipment monitoring. Engineers can access device status, receive alerts, and perform remote maintenance via mobile devices/computers, improving operational efficiency and reliability.

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Customer Reviews

Lisa Parker

The customized polymerization processes they developed for our engineering plastics have enabled precise control over molecular weight and structure. This has allowed us to create high-performance plastics for automotive and electronics applications. Their expertise in catalyst systems and reaction engineering is exceptional.

Maria Johnson

From raw material supply to equipment maintenance and staff training, they offer a one-stop solution for plastic production. The polymer processing equipment they supplied has enhanced our manufacturing efficiency, and the training programs have upskilled our workforce. A comprehensive approach that drives our business forward.

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Innovative R&D Centers

Innovative R&D Centers

Sanli Tech has established three dedicated R&D centers that focus on competitive strategies for polycarbonate developments within the organization. This not only protects our technologies but also ensures our products have the most current inventions and address the changing interests of our customers.
Customizable Solutions

Customizable Solutions

Having dealt with several projects, we appreciate that no two tasks are the same. Modification of our polycarbonate products allows for the design of the final products according to the application requirements enhancing their functionality and effectiveness.
Global Reach

Global Reach

Generally, Sanli Tech has managed to establish a foothold in Southeast and West Asia. Our polymer products have already been applied by various international projects which show our ability and trust as a global supplier.