Engineering and Equipment

Your Partner for Proven
TCS-Based Solar Grade Polysilicon Plant
and Ingot & Wafer Plant
Planning, Engineering, Construction &
Capital Equipment Supply

SN Materials Services

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SN Materials provides a broad range of development, engineering, construction and operating services and solutions related to the Solar Grade Polysilicon Production plant and Ingot & Wafer plant.

  • Full range of engineering services including a complete polysilicon plant BEP(Basic Engineering Package)
  • Partial solutions for Polysilicon plant and Ingot/Wafer Plant
  • Capital Equipment Supply
  • Plant Engineering, Procurement and Construction(EPC) Service
  • Project Management Consulting(PMC) Service
  • Plant Operating and Training Service
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SN Materials Polysilicon and PV equipment offers customer to higher productivity and lower costs by his historical business base in the solar industry.

SN Materials Proven Experiences

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SN Materials’s team has experienced with TCS based Chlorination process (5,000 MTA production capacity Poly-Si), TCS based Hydrochlorination process(10,000MTA production capacity Poly-Si) and integration of both plant.

  • Engineering work for Polysilicon production plant
  • Procurement & Inspection work for Equipment & Instrument
  • Construction work including Cleaning
  • Capital Equipment Supply
  • Operator Training and Operating
  • QA/QC
  • Safety Training
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SN Materials has engineering specialists experienced in solar grade polysilicon plant engineering, procurement, construction and capital equipment.

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SN Materials provides assistance with all facets of the plant including engineering, construction, quality assurance and control, product processing, safety and operator training, start-up and operation.

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Ingot & Wafer Plant Construction and Operation

What SN Material Offers You

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SN Materials’s planning and engineering process will result in a plant designed for the production of Solar-grade polysilicon and Ingot & Wafer.
SN Materials provides complete set of Polysilicon plant & Ingot & Wafer plant solutions and benefits;

  • Expert engineering team with experience in polysilicon plant and Ingot/Wafer production plant engineering, construction, operator and safety training, plant start-up and operation
  • Complete plant engineering systems designs that integrate whole system including deposition reactors
  • SN Materials provides the best process and solutions based on our experienced and developed process
  • Open process design and equipment based on our experience using the best processes and equipment available including CVD reactors and Hydrochlorination reactor.
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SN Materials engineering package for polysilicon plant provides the following systems;

  • 1.

    Hydrochlorination Process System

  • 2.

    Gas/Liquid Separation process System

  • 3.

    Gas Purification Process System

  • 4.

    CVD Reactors with Operating Recipe

  • 5.

    CVD Heat Recovery System

  • 6.

    Off-Gas Recovery and Recycle System

  • 7.

    Waste Silane Recovery System

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SN Material engineering package integrates these systems into the balanced production plant system.

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SN Material engineers design the TCS Production and purification system using improvement on the proven Siemens process with hydrochlorination of STC gas and MG-Si.