Changzhou Sanli Tech: Chemical Solutions for Industrial Excellence

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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?

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.

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's material selection process for towers and internals is founded on rigorous technical evaluation and industry best practices. Key materials and their applications are as follows:

  • Stainless steels (304, 316, 317L): Serve as standards for general chemical services, offering excellent corrosion resistance (pH 2–12), a temperature range of -200°C to 400°C, and cost-effectiveness. 316L is preferred for chloride-containing systems (Cl⁻ < 1000 ppm).
  • Duplex and super duplex stainless steels: Feature high strength (yield strength > 450 MPa) and corrosion resistance, suitable for sour services (H₂S < 10,000 ppm), seawater applications, and high-chloride environments (Cl⁻ 10,000–50,000 ppm).
  • Exotic alloys (Hastelloy C-276, Inconel 625): Designed for highly corrosive media (HF, concentrated H₂SO₄, wet Cl₂), temperatures up to 650°C, and high-pressure applications (up to 100 bar).
  • Ceramics (alumina, silicon carbide): Exhibit excellent corrosion and wear resistance for abrasive services (particulate-laden flows, high-velocity streams), but are brittle (requiring careful design to withstand thermal shock).
  • Plastics (PP, PVC, PTFE): Lightweight and non-corrosive, suitable for low-temperature applications (up to 150°C for PTFE) and non-oxidizing acids, ideal for laboratory-scale or small towers.
  • Graphite: Offers high thermal conductivity (150–200 W/mK) for heat-sensitive processes and excellent corrosion resistance, but is porous (requiring impregnation with resin or metal).

The company's materials engineers leverage corrosion databases and case histories to recommend optimal materials, balancing performance, cost, and availability.

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 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.
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

Jennifer Anderson

The chevron-type mist eliminators have been crucial in our distillation tower, preventing liquid carryover and improving product quality. Combined with their robust tower internals, we’ve seen a 30% reduction in equipment downtime. The team’s attention to detail in design—from material selection to flow optimization—makes them our go-to supplier for tower solutions.

Michael Brown

The tower internals from Changzhou Sanli Tech have transformed our packed bed operations. The liquid trough distributors efficiently handle high flow rates, and the gas spargers ensure uniform steam distribution. Made from durable stainless steel and special alloys, they resist scaling even in harsh conditions. The mesh mist eliminators have significantly improved product purity while reducing equipment damage. A reliable solution for our chemical processes!

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Advancements in Materials Technology

Advancements in Materials Technology

Sustaining an ingenuity material technology is our virtue that is why we can provide the latest material advancement as well as offering solution focusing on strength and efficiency in tower and internals applications.
Overall Support Services

Overall Support Services

Better Consultation, Great Service throughout the life cycle of the project, and backup service even when the project is completed.
Sustainability Focus

Sustainability Focus

We have made the material selection semi engineered where certain limitations were set allowing the client to have decent selections and be eco friendly at the same time.