Frequently asked questions
Where is your company located?
We are located in Guangzhou, China.
Are you a factory or a trading company?
We are both a factory and a trading company. H‑STAR is the independent brand of our factory, serving as a bridge to connect with the world.
Can you tell me about your company?
Guangzhou Huasheng Construction Machinery Co., Ltd. was established in 2022. Our core team has worked in the construction machinery parts industry since 2010.
What are your main products?
Our website primarily features Danfoss hydraulic pumps, internal pump components, and seal repair kits, as well as engine parts and complete engine assemblies for Doosan and Kubota. If you have any other requirements, please feel free to contact our sales manager.
Are you an authorized Danfoss, Rexroth or Parker distributor?
No. We are not an officially authorized distributor for these brands. We disclose the actual product source and grade before quotation.
Do you supply genuine, OEM and aftermarket products?
Depending on the model, we may offer genuine, OEM-supply or aftermarket replacement options. The exact grade will be stated clearly before quotation.
Can you send me a product catalog?
Yes. Please tell us the brand, product type and model you need so we can send the most relevant catalog or product list.
Which hydraulic pump products do you focus on?
Our current focus is Danfoss complete hydraulic pumps, internal pump parts, seals and seal kits.
What pump parts can you supply?
We can check pistons, cylinder blocks, valve plates, shafts, bearings, seals and other internal parts by exact part number or pump model.
Which engine products do you supply?
We focus on Doosan and Kubota engine parts, including overhaul kits, turbochargers, mufflers, radiators, water pumps, wiring harnesses and engine assemblies.
Can you source other construction machinery parts?
Yes. We can try to source related construction machinery parts, but availability must be checked case by case.
What is your MOQ?
There is no fixed MOQ for our main pump products and parts. One piece and bulk orders are both welcome, subject to stock and quotation.
Do you have products in stock?
Pump parts are often available from stock. Complete pumps usually need about one week for preparation, but the final status must be checked by model and quantity.
What is the lead time?
Complete pumps usually need about one week for preparation, excluding international shipping. Parts may be available sooner. We will confirm the exact lead time in the quotation.
What information do you need for a complete pump inquiry?
Please send the complete pump model, a clear nameplate photo and the required quantity. Equipment information and product photos may be requested if needed.
What information do you need for an engine part inquiry?
Please send the engine brand, complete engine model, part number, photos or nameplate and the required quantity.
Why do you need the quantity before quoting?
Quantity affects unit price, packing and shipping options. Confirming it helps us provide an accurate and practical quotation.
Which trade terms do you offer?
Trade terms depend on the order and destination. The confirmed Incoterm and cost coverage will be stated in our formal quotation.
Which payment methods do you accept?
Payment methods depend on the order and transaction channel. We will confirm the available method and account details in the formal order.
Can you give me your best price or a discount?
We can review pricing based on model, quantity and cooperation history. Distributor pricing or discounts require individual confirmation.
Can you arrange international shipping?
Yes. Please provide the destination country, city or postal code, quantity and preferred shipping method so we can check suitable options.
Can you ship door to door?
Quantity affects unit price, packing and shipping options. Confirming it helps us provide an accurate and practical quotation.
Does your price include import duties?
That depends on the confirmed trade term. Import duties are not included unless the formal quotation clearly states otherwise.
How do you control product quality?
Before shipment, we can check the model, appearance, key dimensions, pressure and performance test results, and packing as applicable to the product.
Can I see the actual product before shipment?
In most cases, we can provide actual product and nameplate photos before shipment for confirmation.
What is the warranty for a complete pump?
The standard warranty for a complete pump is 12 months from the shipment date, subject to the confirmed product and order terms.
What is the warranty for pump parts?
Pump parts normally have a 6 to 9 month warranty from the shipment date, subject to the confirmed product and order terms.
Can you provide a two-year warranty?
A two-year warranty is not our standard term. Please provide the model and order details so our team can evaluate the request.
What evidence is needed for an after-sales claim?
Please provide the product nameplate, clear photos, videos and any available inspection or test information so the case can be evaluated.
What happens if there is a quality problem?
We will first verify the model, usage conditions and evidence. The final solution or compensation, if applicable, will be confirmed after technical and order review.
How quickly do you reply?
During working hours, we usually send the first reply within about five minutes. Outside working hours, we reply as soon as we see the message.
What are your working hours?
Our regular working hours are Monday to Friday, 09:30 to 18:00 Beijing time.
How do I confirm whether a part fits my machine?
Please send the complete product or engine model, nameplate, part number and photos. Compatibility must be confirmed from accurate identification information.
Can I order only one piece?
Yes. Our main pump products and parts do not have a fixed MOQ, so one-piece orders can be quoted subject to availability.
Can I become your exclusive distributor?
Exclusive distribution is not an automatic standard arrangement. Please share your market, expected products and sales plan for management review.