About Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd. - Oil Field Machinery & Equipments Supplier in China

Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd. is located in Chongqing, China and currently lists 22 distinct products in its catalogue. The company groups its offerings under Oil Field Machinery & Equipments, Industrial Vacuum Cleaners and Lubricants, reflecting a focus on oil treatment and related cleaning technologies. Its product titles include various vacuum‑insulating oil purifiers, transformer oil filtration units, engine oil purification systems and diesel oil regeneration machines. The catalogue also mentions portable and automatic purifier series, indicating a breadth of capacity from small‑scale units to plant‑level installations. Each entry aligns with typical equipment used for maintaining dielectric or hydraulic oil quality in power, petrochemical and automotive sectors.

The listed items cover single‑stage and double‑stage vacuum insulation oil purifiers, transformer oil purifier machinery, diesel and fuel oil regeneration units, as well as specialised vacuum turbine oil purifiers. Several products are described as “highly effective” or “automatic”, suggesting integrated vacuum generation and filtration. The range also includes a waste‑treatment car oil recycling machine, indicating capability for end‑of‑life oil processing. Although specific HS codes are not provided, the product family falls within standard oil filtration equipment classifications commonly recorded under HS chapter 84.

Product Range and Specialties of Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd.

The catalogue presents a variety of oil purification equipment, from single‑stage vacuum‑insulating units to multi‑functional plant‑scale systems. Typical industry grades for such equipment include moisture removal efficiencies of 99 % or higher, oil cleanliness levels meeting ISO 4406 Class 3/2/1, and filtration capacities measured in litres per minute (LPM) ranging from 100 LPM for portable units to over 10 000 LPM for large plant installations. Vacuum levels are usually specified below 10 mbar to achieve effective dielectric oil cleaning, and transformer oil purifiers often comply with IEC 60778 standards for oil quality. Lubricant‑related offerings such as engine oil purifiers are frequently matched to ISO VG‑grade oils (e.g., ISO VG‑32, VG‑46) and may incorporate centrifugal or magnetic separation stages.

In the broader market, oil purifiers are supplied with optional accessories like pre‑filters, moisture sensors, and automated control panels. Buyers often request data on filtration media (e.g., cellulose, synthetic fiber) and the durability of vacuum pumps (typically rated for 2 000 - 5 000 hours of continuous operation). The inclusion of both stationary and portable series suggests the supplier can serve on‑site maintenance contracts as well as factory‑level refurbishment projects.

Trade and Export Information - Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd.

China is a major exporter of oil purification and vacuum cleaning equipment, with shipments primarily destined for power generation facilities in Southeast Asia, the Middle East, and Africa, as well as petrochemical complexes in Europe and the Americas. Export classifications usually fall under HS codes 8421 (oil filters, purifier machines) and 8424‑8425 (industrial vacuum cleaners), which are subject to standard customs documentation and, where required, CE marking for EU markets. Common buyer requirements include ISO 9001 quality‑management certification and compliance with IEC 60778 for transformer oil, while some importers request additional third‑party test reports such as SGS or TÜV certifications.

Logistically, these units are typically packed in wooden crates or steel frames and shipped in 20‑ft or 40‑ft containers, depending on size. Standard Incoterms used by Chinese manufacturers include FOB Chongqing or CIF major ports such as Shanghai and Shenzhen. Export controls may require a declaration of non‑dual‑use status, and buyers should verify that the equipment meets any local environmental or safety regulations before clearance.

Sourcing from Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd. - Buyer Guidance

Prospective buyers should request a detailed datasheet that lists vacuum level, filtration capacity, power consumption and oil cleanliness class for each unit. It is prudent to ask for an IEC 60778 compliance report and, where applicable, a CE Declaration of Conformity to confirm that the equipment meets European safety standards. Sample testing of a small‑scale unit can validate performance claims before committing to larger plant‑scale orders.

Typical minimum order quantities start at a single unit for portable models, while larger plant‑grade purifiers may require a batch order of two or more to optimize container loading. Lead times in the Chinese manufacturing sector range from 30 to 60 days after receipt of a purchase order and confirmed technical specifications. Buyers should confirm packaging details - whether the unit will be crated, palletised or placed on a skid - and request a pre‑shipment inspection report to ensure that the equipment arrives in operational condition.

What types of oil purification equipment does Chongqing Zhongneng offer?

The company lists 22 items that include single‑stage and double‑stage vacuum‑insulating oil purifiers, transformer oil filtration machines, diesel and fuel oil regeneration units, engine oil purifier systems and portable purifier series.

Are the purifiers suitable for transformer oil cleaning?

Yes, several products are specifically described as transformer oil purifiers and are designed to meet IEC 60778 standards, which are the typical benchmark for dielectric oil quality in power transformers.

Which certifications should a buyer verify for these machines?

Buyers should request ISO 9001 quality‑management certification, IEC 60778 test reports for transformer oil purifiers, and, if exporting to the EU, a CE Declaration of Conformity. Additional third‑party inspections such as SGS or TÜV can provide further assurance.

What is the usual vacuum level achieved by the listed purifiers?

Industry practice for vacuum‑insulating oil purifiers targets a residual pressure below 10 mbar, which is sufficient to remove moisture and fine particulates from dielectric oils.

How are the units packaged for international shipment?

Units are typically packed in wooden crates or steel frames, secured on pallets or skids, and loaded into 20‑ft or 40‑ft containers depending on size and quantity.

What are the common Incoterms used for exporting these products?

Chinese exporters of oil purification equipment frequently use FOB from ports such as Shanghai or Shenzhen, and CIF when the buyer prefers the seller to arrange freight and insurance to the destination port.

What documentation is needed for customs clearance?

Customs generally requires a commercial invoice, packing list, bill of lading, and any applicable CE or IEC certificates. An additional pre‑shipment inspection report can smooth clearance in regions with strict import controls.

What lead time should a buyer expect after placing an order?

Typical lead times range from 30 to 60 days once a purchase order and technical specifications are confirmed, with longer periods possible for custom‑engineered plant‑scale units.