Zhejiang Rongtai Technology Enterprise Co., Ltd.

Mica safety component for thermal runaway management in new energy vehicles (also known as mica fire-safety component), an insulating protective barrier that blocks flames and high temperatures after a power battery thermal runaway, ensuring occupant safety. Developed in accordance with the national mandatory standard GB 38031-2020 'Safety Requirements for Traction Battery of Electric Vehicles', covering fireproof insulation protection from cell, battery module, battery pack to vehicle level, with customized professional solutions per customer requirements.

Applicable levels: cell/battery module/battery pack/vehicle multi-level thermal runaway protection; Performance requirements: high insulation, durability, sustainability; Standard: GB 38031-2020; Delivery: customized development per customer drawings

• Thermal runaway protection for traction batteries of new energy vehicles
• Fireproof insulation for cell/module/pack/vehicle
• Occupant safe escape assurance for electric vehicles

A strip-shaped insulating and fire-resistant material made from mica paper as the base, a key material for the fire-resistant insulation layer of wires, cables and electrical equipment, maintaining circuit insulation and energization safety in emergencies such as fire.

Main types: synthetic mica tape, phlogopite mica tape, calcined mica tape, tower mica tape; Form: continuous strip roll; Use: wound fire-resistant insulation layer

• Fire-resistant insulation layer for special wires and cables
• Fire-resistant cables and special cables
• Fire-resistant insulation for electrical equipment

A plate-shaped insulating material made by impregnating mica paper with resin and hot-pressing it, available in rigid and flexible series, with good high-temperature resistance, insulation and mechanical properties, serving as a basic material for electric heating appliances and industrial insulation.

Main types: rigid mica plate, flexible mica plate, smooth mica plate, extra-thick mica plate; Properties: high-temperature resistance, excellent insulation; Form: plate-shaped

• Insulating parts for electric heating appliances
• New energy and industrial insulation
• Support for heating elements in household appliances

Tubular mica insulating material used as insulating sleeves and support tubes in motors and electrical appliances, providing electrical isolation and mechanical support in high-temperature environments.

Main types: phlogopite mica tube, muscovite mica tube; Form: tubular; Properties: high-temperature resistance, high insulation

• Motor insulating sleeves
• Electrical appliance insulating supports
• Insulating parts for electric heating equipment

A heating component based on mica (including electric heating film and mica heating element), combining insulation and heating functions, widely used in smart home appliances and industrial heating scenarios.

Main types: electric heating film, mica heating element; Properties: good insulation, uniform heating, high temperature resistance

• Heating elements for smart household appliances
• Industrial heating equipment
• Heating bodies for small household appliances

Various mica stamped parts, shaped parts and gaskets manufactured through punching, sawing, milling, turning, drilling and grinding based on customer-specific mold design. Divided by mica paper type into muscovite machined parts and phlogopite machined parts, with thickness from 0.1 mm to 100 mm; under 2.0 mm can be punched, above processed by turning/milling/drilling, customized per customer drawings and precision requirements.

Classification: muscovite machined parts, phlogopite machined parts; Thickness range: 0.1 mm–100 mm; Processing: punching/sawing/milling/turning/drilling/grinding; Process: stamping under 2.0 mm, machining above; Delivery: customized per customer drawings

• Household appliances
• Electromagnets and sensitive control devices
• Automotive, marine, chemical, metallurgy, military

Mica insulator used for insulating support and isolation in electrical equipment, providing electrical isolation and mechanical fixation.

Main type: mica insulator; Properties: high insulation, temperature resistance, weather resistance

• Insulating support for electrical equipment
• Rail transit insulating safety parts
• New energy and industrial insulation

Rolled mica material serving as a continuous-production insulating and fire-resistant base material, convenient for large-scale winding and forming processing.

Main types: phlogopite mica roll, synthetic mica roll, ceramic mica roll; Form: continuous rolled material

• Insulating and fire-resistant base material for wires and cables
• Fire-resistant insulating material
• Industrial continuous production

A paper-like insulating material made from mica flakes as raw material, the basic base material for various products such as mica tape, mica plate and mica machined parts.

Main types: muscovite mica paper, phlogopite mica paper, synthetic mica paper, calcined mica paper; Form: paper-like; Use: base material for mica products

• Base material for mica products
• Electrical insulation
• Refractory material

Laminated insulating product made by hot-pressing chemically treated alkali-free glass fiber cloth for electronics as the base and epoxy resin as the binder, including laminated plate, laminated rod and laminated tube, usable as insulating parts for machinery, electrical and electronic applications.

Types: 3240, G10, G11, FR-4, FR-5; Colors: yellow, green; Thickness: 0.5–120 mm; Sizes: 1020×1220 mm, 1220×2040 mm, 1220×2440 mm, 1220×3300 mm (special sizes negotiable); Properties: excellent mechanical strength, stable insulation, moisture and weather resistance

• Mechanical insulating parts
• Electrical and electronic insulating parts
• Industrial insulating structural parts

The company's strategically positioned precision structural component business (non-mica category), whose product matrix has expanded from new energy vehicle thermal runaway protection insulation parts to new lightweight safety structural components. Main products cover motors, linear drive actuators, transmission assemblies and other supporting parts, meeting core supporting needs in precision transmission, intelligent equipment and robot parts across multiple fields, representing the company's second growth curve.

Product scope: motors, linear drive actuators, transmission assemblies and other supporting parts; Attributes: lightweight, precision safety structural components; Business positioning: precision structural component field (non-mica category); Source: disclosed at the company's Q1 2026 performance briefing

• Precision transmission
• Intelligent equipment
• Robot parts
• New energy vehicle lightweight safety structure