About SUNDEAR and Heyuan Xinda
SUNDEAR is a brand of Heyuan Xinda Quartz Electric Appliance Co., Ltd., a heating element manufacturer based in Heyuan, Guangdong, China. We supply resistance wire, quartz heating tubes, quartz glass tubes, tubular heating elements and mica heating elements for appliance manufacturing.
Review our manufacturing processes and discuss the inspection records and technical documentation relevant to your product.
Send your product type, drawing or key specifications, target quantity and testing requirements. Our team will review the information with you before preparing a quotation.
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Factory Area
40,000㎡
Employees
800+
Established
1988

Daily Production Capacity
200,000 pieces per day

Quality Testing Lab
Equipments

Life Time Vertifying
3000H+

Daily production capacity: 200,000 pieces
Quartz Heating Tubes
Choose between complete quartz heating tubes and empty quartz glass tubes for your assembly process. Specify the required diameter, length, electrical ratings and end configuration.
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Quartz Glass Tubes
Choose between complete quartz heating tubes and empty quartz glass tubes for your assembly process. Specify the required diameter, length and end configuration.
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Tubular Heating Elements
Metal-sheathed heating elements for ovens and other cooking appliances. Send your drawing, rated voltage, power and installation requirements for review.
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Resistance Wire
FeCrAl and NiCr resistance wire for heating element production. Share your alloy grade, wire diameter, resistance requirements and expected order quantity.
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Mica Heating Elements
Mica heating assemblies for fan heaters, hair dryers and related forced-air appliances. Share the available space, airflow conditions and protection requirements.
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Haier’s Ferroli ASEAN Acquisition: A New Phase for Vietnam Water-Heating Manufacturing
Haier’s acquisition of Ferroli ASEAN highlights Vietnam’s growing importance in electric water-heater manufacturing and Southeast Asian supply-chain development.

Quartz Heater Brightness vs Service Life: Same Length, Voltage and Power
Why quartz heating tubes with the same length, voltage and wattage can glow differently, and how to balance visible brightness, heating performance and service life.

Electric Shower Heating Elements in Brazil: Voltage, Wattage and Wire Selection
A practical guide for electric shower manufacturers: 127V and 220V designs, FeCrAl 0Cr23Al5 vs 0Cr25Al5, surface load, coil geometry and wire-life evaluation.

Heating Elements for Steam Ovens: Material Advantages, Limitations and Selection Considerations
Explore material advantages, limitations and engineering considerations when selecting heating elements for combination steam ovens, including thermal response, moisture exposure and reliability.












