Import Bakelite Lamp Holder — Buy in Bulk from Supplier in China

This Bakelite lamp holder is an E27 or B22 threaded or bayonet-base socket designed for pendant, wall, or ceiling-mounted luminaires, manufactured by Zhongshan Ruicheng Electrical Appliance Accessory Factory in Guyi Industrial Zone, Zhongshan, Guangdong Province. It is moulded from phenol-formaldehyde resin (Bakelite), a thermosetting polymer rated for continuous operating temperatures up to 180 degrees Celsius and short-term peaks around 250 degrees Celsius. The body colour is typically black or brown, with a brass or nickel-plated ferrous alloy contact insert, and the unit accepts standard Edison screw or bayonet cap bulbs up to 60W-100W depending on ventilation. Thread engagement length, skirt diameter, and overall height follow IEC 60238 or GB 17935 dimensions for domestic and light commercial use. The supplier lists this as an imported-tier, harbor-trust offering with zero recorded response rate, so buyers should expect to initiate contact and verify current stock and certification status directly.

Bakelite (phenolic resin) was chosen historically for lamp holders because its highly cross-linked polymer structure does not soften when heated, unlike thermoplastics. The typical composition includes phenol, formaldehyde, wood flour filler, and hexamine hardener, cured under heat and pressure to a density of approximately 1.25-1.30 g/cm³. Standard industry grades for electrical applications are PF2 (medium impact) or PF3 (high impact) under IEC 60467, with a comparative tracking index (CTI) of 175V-250V and flammability rating of UL 94 V-1 or better. The brass contact spring is typically CuZn37 with 0.5-1.0 micrometre nickel underplating to resist oxidation. Terminal blocks may be screw-type or push-fit, accommodating solid conductors from 0.5 mm² to 2.5 mm². Threaded entries are usually M10x1 or 3/8 inch pipe thread for suspension couplers.

Typical applications include pendant lamp sets, table lamp rebuilds, architectural lighting retrofits, and hospitality fixtures where metal-bodied holders would risk earth-fault or corrosion issues. Buyers span lighting assemblers, electrical wholesalers, property maintenance contractors, and restoration specialists. Trade terms from this Zhongshan supplier remain unverified on the listing, so importers should confirm Incoterms, minimum order quantities, and whether Type CCC China Compulsory Certification or IEC test reports are held. Guyi Industrial Zone offers proximity to the broader Zhongshan lighting cluster, potentially supporting consolidated freight with other luminaire components.

Zhongshan Ruicheng Electrical Appliance Accessory Factory is located at Zhiye Building, Guyi Industrial Zone, Zhongshan, Guangdong Province, China. The supplier is classified as imported-tier within the harbor trust band, with a recorded response rate of 0.00 percent and an average response time of zero hours, indicating that no response data is currently available through the platform. This does not imply the supplier is inactive, but buyers should treat direct outreach as essential rather than relying on platform-mediated response metrics. The address places the factory within one of China's densest concentrations of lighting component manufacturing, which supports ancillary supply chains for metalwork, plating, and moulding services.

The listing does not state the year of establishment, employee count, annual revenue, factory floor area, specific machinery inventory, named client references, or third-party audit results. No certifications are verifiable from the provided data, despite generic claims in the source text. Buyers should request current ISO 9001, IECQ, or CCC documentation, and ask for product-specific test reports such as IEC 60238 type-approval certificates. The absence of response data suggests the supplier may not be actively monitoring inbound platform enquiries, so email or telephone follow-up through the provided contact channel is advisable.