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DOING Holdings finalized a sales contract with an Indonesian customer in early August 2026. The order covers one unit of the DY-D-0.5 skid-mounted waste engine oil refining machine. The buyer operates a domestic sugar production business in Indonesia and placed the order as part of a move to diversify into a new industrial sector — waste oil processing.
DOING DY-D-0.5 skid-mounted waste oil refining machine
Indonesia generates substantial volumes of used engine oil every year. Sources include automotive workshops, industrial machinery operations, fleet maintenance facilities, and individual vehicle owners. Most of this material currently ends up through informal channels — basic disposal at low prices or, in some cases, improper dumping. There is a recognized gap between the supply of waste oil and the availability of proper recycling infrastructure.
The customer outlined a clear strategy during initial discussions: start small, validate the process, and build from there. That starting point had to be a unit that fit a small footprint, required minimal site preparation, and could be operational without months of installation work.
The customer reached out to DOING Holdings by phone in July 2026. At that point, the buyer' s team had already done some preliminary research and knew roughly what they were looking for — but needed specific answers on a few key questions.
The first round of questions covered physical dimensions and installation needs: whether the skid-mounted waste oil refining machine required a dedicated foundation, how much floor space was needed, and what utility connections — electricity, water — were necessary to get the machine running. The second set of questions focused on throughput and cycle time: what daily processing capacity looked like, how long one batch took, and what the output quality depended on. A third concern was the commercial side: price validity period and whether there was any flexibility given the buyer' s budget planning cycle.
DOING' s team responded to these questions directly and without delay. Technical specifications were confirmed in the same conversation, and a revised quotation was provided shortly after. The customer did not carry out a formal competitive bidding process with other suppliers. The speed and clarity of the communication from DOING during this phase was the decisive factor in moving the conversation forward.
By early August 2026, the contract was signed. The customer confirmed the DY-D-0.5 as the chosen model.
DOING waste oil refining machine manufacturer services
The DY-D-0.5 is a skid-mounted waste engine oil refining machine with a batch processing capacity of 0.5 tons per cycle. The unit employs thermal distillation — waste oil is heated in an oxygen-free reactor, with vapor then condensed into a distilled oil product. Then through a catalytic, decolorization and deodorization process to produce final non-standard diesel products.
DOING waste oil refining machine working flow
The skid-mounted design places all major components — reactor, heating system, condenser, and separation unit — on a single integrated frame, with a total footprint of approximately 20 square meters. From the customer' s perspective, this means the machine arrives as a finished unit rather than a kit of parts. Once delivered, it requires only standard utility connections to begin a test run. No custom foundation, no multi-week assembly period, no third-party installation contractor.
The 0.5-ton batch size was deliberately suitable for the buyer' s entry-level approach. It allows the customer to process manageable quantities while learning the operational workflow, rather than being forced into high-volume output from day one. The control system is designed for straightforward operation, with a standard panel interface that a team without prior waste oil refining processing experience can run after basic familiarization.
Advantages of DOING skid-mounted waste oil refining machine
These three points — no-site-assembly setup, small-batch processing, and accessible controls — were the exact answers the customer needed, and they came from the DY-D-0.5 skid-mounted waste engine oil refining machine' s design specifications rather than any added sales promise.
The contract for the DY-D-0.5 skid-mounted waste engine oil refining machine was confirmed in early August 2026. The unit has entered DOING Holdings’ production schedule and will be shipped to the customer’s location in Indonesia as per the agreed delivery timeline.
