FAQ

We are a genuine source manufacturer — Hebei Runyuanshengchi Lubricant Co., Ltd. runs its own modern blending lines, filling lines and testing laboratory in Handan, Hebei Province. You buy directly from the production end, with no middleman markup, stable supply and faster response.

We cover the full range of automotive and industrial lubricants: diesel engine oils, gasoline engine oils, hydraulic oils, industrial gear oils, vehicle gear oils, transmission fluids, and greases including lithium grease, EP lithium grease, complex high-temperature grease, complex aluminum grease and 00# semi-fluid grease.

Products are formulated and tested to meet API, ACEA and SAE international standards. Every batch is inspected from raw material intake to finished goods before shipment, and certificates of analysis plus test reports are available on request.

OEM: we produce under your brand name with your packaging design. ODM: we design the formulation, packaging and label together with you and manufacture under your brand. OBM: you distribute our own brand in your market. All three models are open, whether you are a startup trader, an overseas brand owner or an established distributor.

MOQ depends on package size and product type. For standard 1L–5L bottles it starts from around 1,000 pieces per SKU; for 200L drums and flexitank orders the threshold is lower. Small trial orders are welcome so new partners can test the market before scaling up.

Yes. With decades of formulation experience in base oil selection, additive blending and viscosity control, our R&D team can develop products matched to your climate, application and target specifications — from standard grades to special-duty lubrication for mining, agriculture and construction machinery.

Flexible packaging for every market: 1L / 4L / 5L plastic bottles, 18L pails, 200L steel or plastic drums, IBC totes and flexitanks. Labels, bottle shapes and carton designs can be fully customized under your brand.

Yes, samples are free of charge for evaluation. You only cover the courier cost (freight collect is acceptable). Sample lead time is usually 3–7 working days after confirmation.

Standard products in stock can be dispatched within 7 days. Regular OEM orders take about 15–25 days depending on quantity and packaging; new custom formulations may need extra time for lab approval. Peak season capacity is guaranteed by our multi-line flexible production.

We accept T/T (30% deposit, balance against B/L copy), L/C at sight, and other terms negotiable for long-term partners. Trade assurance and escrow payment can be arranged for your security.

We ship mainly from Qingdao and Tianjin ports on FOB / CFR / CIF terms. A full export document set is provided: commercial invoice, packing list, B/L, certificate of origin, MSDS and any certificates required for customs clearance in your country.

Our products serve automobiles, construction machinery, mining, manufacturing, logistics and agriculture — from daily maintenance oils to specialty lubrication under severe working conditions such as high temperature, heavy load and dusty environments.