About Qingdao Rensheng Huida Trading Co., Ltd. - Conveyor Systems & Parts Supplier in China

Qingdao Rensheng Huida Trading Co., Ltd. is based in Qingdao, China and lists 138 active products across its catalogue. The company’s top categories include Conveyor Systems & Parts, Lubricants, Bearings, Rubber Chemicals and related Industrial Belts & Straps. Its product list contains greases, various bearing types, conveyor belts, rollers, and chemical accelerators, many of which fall under HS Chapter 84 (e.g., HS 8482 for bearings and HS 8483 for rollers and belts). The catalogue specifies material compositions such as polyamide 6/6 for nylon retainer bearings and chrome steel GCr15 with ceramic coating for insulated roller bearings. Products are identified by HS codes 8482.10, 8482.20, 8482.40 and 8483.30 where provided, indicating their classification for customs and trade. The supplier is flagged as an imported, harbor‑tier trading entity.

The greases offered include general purpose lithium grease, white lithium, high‑temperature and special high temperature variants, which are commonly supplied in 5 kg drums or 20 L containers. Bearing entries cover deep‑groove ball bearings (HRB, Ntn, INA) and specialty insulated cylindrical roller bearings, with materials ranging from high‑carbon chrome steel (GCr15, SUJ2) to stainless 440C and ceramic coated steel. Conveyor belt items such as Rough Top, General Purpose Fabric, Patterned and Belt variants, as well as roller components like Ceramic Conveyor Roller and Carrying Conveyor Roller, reflect typical industrial material handling solutions. Rubber chemicals such as Accelerator Zdec and Rubber Peptizer LTS‑78T are also listed, which are used in rubber processing and vulcanisation. All items are presented without claims of certifications, leaving verification to the buyer.

Product Range and Specialties of Qingdao Rensheng Huida Trading Co., Ltd.

Qingdao Rensheng Huida Trading’s catalogue enumerates 138 SKUs, among which the most detailed entries are for bearings and greases. Bearings are listed with HS codes 8482.10 (e.g., HRB bearing, FAG bearing, Timken bearing, INA bearing, Ntn bearing) and 8482.20 (Timken bearing) and include material specifications such as chrome steel GCr15, high‑carbon chrome steel SUJ2, stainless 440C and ceramic/insulating oxide coatings. Grease products cover general lithium grease, white lithium, high‑temperature and continuous casting machine grease, typically formulated to NLGI grades 0‑3 and ISO VG ranges from 100 cSt to 300 cSt. In the bearing market, deep‑groove ball bearings are commonly supplied with ISO 281 dynamic load ratings and C3/C4 radial clearance, while insulated roller bearings are used in high‑speed electric motors and often require IEC 60034 compliance. Lithium greases for industrial machinery are usually graded by NLGI number, with high‑temperature variants meeting ASTM D618 or ISO 6743 specifications for thermal stability up to 150 °C. Conveyor belts are typically constructed from fabric‑reinforced PVC or PU, with tensile strengths measured in N/mm² and widths from 500 mm to 2000 mm; patterned or rough‑top belts are selected for bulk material handling. Ceramic rollers are valued for low friction and high wear resistance, often specified by hardness (HV > 1500) and dimensional tolerances of ±0.2 mm.

Trade and Export Information - Qingdao Rensheng Huida Trading Co., Ltd.

China is a major exporter of industrial bearings, lubricants and conveyor components, shipping large volumes to Southeast Asia, Europe and North America. HS Chapter 84 codes 8482 and 8483 are routinely inspected under Chinese customs for conformity to national standards such as GB/T 1170 for bearings and GB/T 2429 for conveyor belts. Buyers typically request test reports aligned with ISO 9001 quality management, ISO 14001 environmental compliance, and material certificates confirming steel grades (e.g., GCr15) or polymer composition (e.g., PA66). Packaging for greases commonly uses 5 kg steel drums sealed with tamper‑evident lids, while bearings are packed in wooden crates or 20‑foot containers with moisture‑absorbing liners. Importers of these products often operate in automotive, food processing, mining and logistics sectors, where certifications such as CE marking, UL and API may be required depending on end‑use. Standard Incoterms for shipments from Qingdao include FOB Qingdao Port or CIF to major ports, with transit times of 20 - 35 days to European destinations. Customs clearance may involve verification of HS codes, country of origin certificates, and safety data sheets for chemical accelerators. Buyers should confirm that the supplier can provide ISO‑based test data, coating thickness certificates for insulated bearings, and moisture content reports for rubber chemicals.

Sourcing from Qingdao Rensheng Huida Trading Co., Ltd. - Buyer Guidance

When sourcing from Qingdao Rensheng Huida Trading, buyers should request material test certificates that detail the chemical composition of steel (e.g., GCr15, 52100) or polymer (PA66) for each bearing or roller. For greases, a specification sheet should include NLGI grade, ISO viscosity grade, flash point, dropping point and any additive package such as extreme pressure (EP) or anti‑wear agents. Sample units in standard packaging (e.g., 250 g grease sample, 1 kg bearing pack) allow verification against performance criteria before full order.

Buyers should also obtain a current MSDS for any accelerator or rubber chemical, along with compliance statements for REACH or RoHS if the end market requires them. Verifying the HS code alignment with the product description helps prevent customs delays; for instance, a nylon retainer bearing should be declared under HS 8483.30. Confirming lead times (typically 15 - 30 days for stock items) and minimum order quantities (often 1 pc for bearings, 5 kg for greases) will aid in planning logistics and inventory.

What types of grease are listed in Qingdao Rensheng Huida Trading’s catalogue?

The catalogue includes general purpose lithium grease, white lithium grease, high‑temperature grease, special high temperature grease and continuous casting machine grease. All are supplied in standard 5 kg steel drums and are formulated to NLGI grades 0‑3 with ISO viscosity ranges from 100 cSt to 300 cSt.

Which bearing families are covered and what are their HS codes?

The supplier lists deep‑groove ball bearings (HRB, FAG, INA, Ntn) under HS 8482.10 and Timken bearings under HS 8482.20. Material specifications include chrome steel GCr15, high‑carbon chrome steel SUJ2, stainless 440C and ceramic‑coated variants.

How are the conveyor belt products described and what material standards apply?

Products such as Rough Top Conveyor Belt, General Purpose Fabric Belt and Patterned Belt are listed; these belts are typically made from fabric‑reinforced PVC or PU and conform to Chinese standard GB/T 2429 for conveyor belts, with tensile strengths measured in N/mm² and widths from 500 mm to 2000 mm.

What information is available for the nylon retainer bearing?

The nylon retainer bearing is identified with HS code 8483.30 and specified as made from polyamide 6/6 (PA66). Buyers can request a material certificate confirming polymer grade and dimensional tolerance of ±0.2 mm.

Which insulated roller bearing is offered and what coating does it have?

The Insulation Cylindrical Roller Bearing is listed under HS 8482.40 and uses bearing steel (chrome steel GCr15) with a ceramic or insulating oxide coating. Certification of coating thickness and hardness is typically provided upon request.

What documentation should a buyer request for the rubber accelerator products?

For Accelerator Zdec and Rubber Peptizer LTS‑78T, buyers should ask for a safety data sheet (MSDS), REACH compliance statement and a test report showing accelerator activity and purity levels.

What are the typical packaging and shipping terms for the listed products?

Greases are packed in 5 kg steel drums, bearings in wooden crates or pallets, and belts/rollers on shrink‑wrapped pallets. Common Incoterms used are FOB Qingdao Port or CIF to the buyer’s destination, with container loads of 20 ft or 40 ft depending on volume.