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Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›

Harbin Langchen Auto Accessory Factory produces LF BROS auto preheaters rated at 2000W and 3000W, designed for diesel and heavy-duty gasoline engines in cold climates. These units operate on dual voltage inputs of 110V and 220V-240V, with an adjustable thermostat range of 75°C to 85°C. The heating elements are encased in stainless steel sheaths with ceramic insulation and are rated for continuous duty cycles up to 4 hours.
The preheaters comply with CE and RoHS directives, meaning they contain no lead, cadmium, or hexavalent chromium above the restricted thresholds. The housing is made from die-cast aluminum with an IP67 rating, suitable for exposure to road salt, moisture, and vibration. Typical installation involves mounting the unit in the engine’s coolant circuit, with a threaded M16x1.5 connection for integration with standard engine blocks.
These preheaters are used by fleet operators, cold-region transport companies, and OEMs supplying vehicles to Northern Europe, Russia, and Canada. Buyers commonly order in bulk for service centers or vehicle retrofit programs. Packaging is in blister cards with instruction manuals and mounting hardware. Lead times are not listed; buyers should confirm availability and minimum order quantities directly with the supplier.
| Power rating | 2000 W and 3000 W variants |
| Voltage compatibility | 110 V and 220 - 240 V AC |
| Thermostat range | 75°C to 85°C (adjustable) |
| Heating element material | Stainless steel 316L sheath with magnesium oxide insulation |
| Housing material | Die-cast aluminum alloy, IP67 rated |
| Connection thread | M16x1.5 (standard for diesel engine coolant ports) |
| Maximum continuous duty | 4 hours (typical for automotive coolant preheaters) |
| Certifications | CE, RoHS (compliant with EU Directive 2011/65/EU) |
| Operating temperature range | -40°C to 125°C (standard for under-hood automotive components) |
| Weight | 0.95 kg to 1.2 kg (depending on power rating) |
Harbin Langchen Auto Accessory Factory is located in Xiangfang District, Harbin, Heilongjiang Province, China. The supplier is classified as harbor-tier, indicating verified factory status. The listing does not disclose years in operation, workforce size, or production volume. No client list, export history, or certifications beyond CE and RoHS are provided.
There is no information on quality control procedures, testing equipment, or R&D capacity. Response rate and average response time are not tracked, suggesting limited buyer communication. Buyers should request product test reports, material compliance certificates, and sample units before placing bulk orders.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Verify that the CE marking includes the full EN 60335-1 and EN 60335-2-30 compliance declarations. Request a copy of the RoHS test report from an accredited lab, showing results for lead, cadmium, mercury, and hexavalent chromium. Confirm that the product label includes the supplier’s name, model number, and certification marks permanently laser-etched, not printed.
Lead time is not stated; buyers should confirm production cycle and whether units are stocked or made to order. Shipping terms are typically FOB Dalian or Tianjin. Payment terms are commonly 30% advance, 70% against BL copy. Request a container loading plan and confirm that units are packed in anti-static foam with moisture barriers. Ensure the invoice includes HS code 8516.79.
Upon receipt, check for damaged housing, loose wiring, or cracked thermostats. Test the unit on a bench with a variable power supply and measure resistance and temperature rise. Confirm the thermostat activates at 78°C ±2°C. Retain the original packaging for 30 days. Always request a certificate of conformity, test logs, and a warranty statement signed by the factory.
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When importing Ce & Rohs Approved Lf Br from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
Click the "Request Quotation" button to contact Harbin Langchen Auto Accessory Factory directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.
Yes, Harbin Langchen Auto Accessory Factory provides Ce & Rohs Approved Lf Br for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.
Shipping terms such as FOB, CIF, or EXW can be negotiated directly with Harbin Langchen Auto Accessory Factory. Contact the supplier to discuss the best logistics options for importing Ce & Rohs Approved Lf Br to your country.
Send a direct message to Harbin Langchen Auto Accessory Factory through our platform to request a product sample before committing to a large wholesale order.
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