Frequently Asked Questions

+ How to Buy

Q. How do I place an order? When can I expect to receive my cabinets?

For Projects:
a. Send detail drawing/layout to OPPEIN
b. OPPEIN prepares quotation(7-14 days)
c. 2D & 3D design and material preparation(Require 10% deposit payment,7-14 days to confirm all detail design)
d. Jobsite mesurement
e. Signature on PI,drawing and contract.
f. Setting deposit payment for production
g. Production (30-55 days,depends on material)
h. Pay the balance payment.
i. Shipping & installation

For Retail:
a. Send detail plan floor drawing/layout to OPPEIN
b. OPPEIN prepares quotation(7-14 days)
c. Signature on PI (Require 10% deposit payment)
d. 3D & 2D drawing and confirmation
e. Charge 40% production deposit
f. Production
g. Pay 50% balance payment
h. Shipping and installation

Q. How can I start business with OPPEIN?
A: The following are the cooperation mode we can provide:
- To be OPPEIN Retail or Project dealer.(OPPEIN will have special support policy and requirement)
- To buy from OPPEIN as a strategic partner.(OPPEIN will have different price support by sales performance)
- To buy from OPPEIN as a normal customer.(OPPEIN will have range price by different project amount)
- To introduce project and retail order and get commission.

Q. Do you have showrooms in my country? Where can I buy your Products?
A: We have showrooms around the world. Please check on
the map to find the showroom near you.

Q. Can I buy your products for my own house?

A: Sure. There is no MOQ since we not only focus on larger projects, but home users.

Q. Can I buy your products in bulk?
A: Yes. We have a wealth of cases of large projects such as apartments and hotels. For more cases, please see our Projects page. Please feel free to send your project details to our professional team. We offers one-stop solution for your project. OPPEIN looks forward to creating the perfect project with you.

Q. How to become a franchisee?
A: Thank you for your interest in franchising opportunities in OPPEIN. Please see our franchising page
for more information. Looking forward to work with you!

Q. What about delivery service?
A: If you have experience in international importing and exporting, you can solve the delivery & shipment problem by yourself. If not, we are happy to assist you. Click to learn about detailed delivery process.

Q. What about the production time?
A: Different products and different materials require different production times, and we have set specific production times for different products and materials. See our Production Time page
for details.

Q. How long will shipping take?
A: For Asia market,7-14 days. For American market 40-60 days.

Q. Do you offer customized design?
A: Yes, you can send us drawings and material color and size, we will let the designer come up with the plan, if you need I can send you the picture of our sample cabinet.

Q. How can I track my order?
A: Feel free to send email to our sale team who follow your project. The sales team will update you details. You can also send email to We will contact you within 48 hours.

Q. Package detail in OPPEIN
A: OPPEIN usually uses two methods for kitchen cabinet packing. One is RTA (Ready to assemble) and the other is fully assembled. As to the glass and countertops, we use cartons for packing and reinforce them with wooden frames to avoid breakage in transit. See our
Package page for details.

Q. It is my first time to import from China, what should I do?
A: Please do not worry, we will recommend professional forwarder to help you arrange shipment. Please find details from this page: delivery shipment.

+ About Product

Q. What products does OPPEIN offers?
A: We supply customized kitchen cabinet, wardrobe, bathroom vanity, interior door, Aluminum Doors and Windows and other home furniture. We also offer whole-house solution. See our
product page for more details.


Q. Do you supply kitchen accessories and appliances together with kitchen cabinet?
A: Yes, we do. We also have our own brand as well as imported accessories and appliances.
Contact us to get more details.

Q. What kinds of materials does OPPEIN kitchen use for doors?
Based material: MDF/Plywood/Particle board. More details please check our
basic materials page.
Door panel: Solid wood, Wood veneer, Metal foil, Lacquer, PVC, Acrylic, Laminated, Melamine. Please find details from our
door panel page.
Countertops: Caesarstone and  Silestone. See more information in our
countertop page.

Q. What brand of hardware does OPPEIN use?
A: We use high quality hardware brand like Blum of Austria, Hettich of Germany and SUSPA. Explore more details about
OPPEIN global partners.

Q. Can I get your product catalogue?
A: Sure. You can download our latest catalogue for free from our
catalogue download page.

Q. Do OPPEIN products have relevant certificates and quality assurance?
A: Yes, OPPEIN has the following product certifications to ensure the high quality of the products: E1 Grade Board Material, FSC Certificate, ISO 9001, ISO 14001, CARB Certificate. See our
honors and certifications page for more detail.

Q. What should I do if I want to replace or buy a spare part for the product?
A: Please kindly contact our sales team or send email to for your detail inquiry. We will get in touch with you within 48 hours.

+ About Payment

Q. Can I get your price list?

A: We would like to give an idea about price for your reference, please send us your floor plan to get a custom price. Contact us to get more details.

Q. What kinds of payment term do you accept?
A: Normally we accept T/T, 30% deposit should be paid before production, and balance paid before shipping. Contact us to get more details.

Q. What price term do you do?
A: We quote FOB price if enough for one 20ft container, otherwise we quote EXW price. Contact us to get more details.

Q. Should I pay for your design?
A: We do not charge for design,  but should be paid before design as down payment, it will be used as deposit.

Q. What is the installation cost?
At present, OPPEIN has three installation cooperation methods, and different methods have different costs.

For Project Orders
1). All-inclusive from OPPEIN 2). Guide from OPPEIN 3). All-inclusive by the local cooperative installation team.
Regarding the all-inclusive quotation, it needs to be determined according to your specific project, but the cost is generally controlled at about 13% of the project.
If you choose the installation method guided by OPPEIN, OPPEIN will arrange personnel to go out to guide the installation team to install, charge 100USD/day, and the customer will provide accommodation. It usually takes about a week to half a month.

For Retail Orders

We suggest asking local installer to help and we will send the guidance for assistance. It is not that difficult. Please find details from this page: installation guidance.

+ Support / Service

Q: Will you send people to my home and take measurements?

A: If for individual use, a measure guidance will be given for your reference.  Please find details from this page: measure guidance.

Q. Do you offer Installation service in OPPEIN?

A: Yes, we offer 3 options of installation service: local installation service, oppein team installation service, and DIY guide video. See our installation page for details.

Q. What is the after-sales warranty process? What information is required?
A: Provide contract number/problem description/problem photo/drawing mark.
Please send an email to the following after-sales email:

Q. Product warranty period?
A: Plea
se check our warranty page
to explore more datail information.

+ About OPPEIN

1. What is OPPEIN based?
A: OPPEIN's headquarter is based in #366, Guanghua 3rd road, Jianggao town, Baiyun district, Guangzhou, China. But we have showrooms around the world. Learn more about OPPEIN

2. Do OPPEIN products meet environmental protection standards?
A: In OPPEIN, raw material is strictly selected. Meanwhile, OPPEIN non-formaldehyde Board(Zero Formaldehyde Technology, American NAF Certification, American CARB Certification) , Silestone, Caesarstone and other Imported Quartz Stone are all GreenGuard Certified. And OPPEIN self-manufactured quartz stone is NSF certified.
We continually monitor every stage of our cabinetry process, from sourcing, manufacturing, to finishing and shipping, and ensure they are in accordance with EU, USA, Japan, Australia & New zealand standards.