Engineering Plastics Solutions by Sanli Tech | High-Performance Materials

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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.

Comprehensive Chemical Technology Support

With an expert team, we offer full-cycle technical support and consulting 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.

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.

Related products

The company supports engineering plastics production with end-to-end solutions, from resin synthesis to component manufacturing support. For polyamide 6 (PA6), ring-opening polymerization processes are optimized to control molecular weight distribution (Mw/Mn < 2.8) and crystallinity (30 - 50%), yielding materials with tensile strengths up to 80 MPa and heat deflection temperatures (HDT) up to 180°C (at 1.82 MPa). Polycarbonate (PC) production involves melt-phase transesterification, producing resins with high optical clarity (light transmittance > 90%) and impact resistance (Izod impact > 600 J/m). For specialty engineering plastics like PEEK (polyether ether ketone), the company offers process design for high-temperature polymerization (reaction temperatures up to 350°C), yielding materials with service temperatures up to 260°C and chemical resistance to most industrial solvents. Application engineering support includes mold flow analysis (using Moldex3D) to optimize part design, reduce warpage (< 0.5%), and minimize cycle times.

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.
We supply top-grade industrial equipment like barrel pumps, pneumatic diaphragm pumps, centrifugal pumps, and customized skid-mounted systems for single-point connection. Equipment is made from materials resistant to corrosive chemicals (solvents, acids, oils, etc.). All products meet API standards, with pumps complying with ANSI, ensuring reliability and performance for diverse chemical applications.
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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Meeting requirements without compromise

Meeting requirements without compromise

Our engineering plastics have revolutionized the production processes in our client’s organizations owing to the very high industry standards that are employed in the designing of the materials
Ability to support through the project lifecycle

Ability to support through the project lifecycle

The technical team comprises engineers and other technical specialists who offer full support throughout the project lifecycle. This includes material selection, material application and guidance, and supervision.
Perfecting the Art Of Plastics With Efficiency

Perfecting the Art Of Plastics With Efficiency

The engineering plastics we constantly strive to certify for plastic engineering are environmentally friendly thus allowing our clients meet their sustainability goals reducing the eco footprint of business operations.