Customer Center

Customer Center
Thank you for visiting our site!
Yeasincere strives to make a significant contribution to our customer’s value and success. We wish to be our customer’s first choice for suppliers and partners. Yeasincere succeeds by developing beneficial working relationships with our customers and by performing every aspect of our work with skill, efficiency and pride.
Contact us anytime, our experiences sales team and R&D dept., will assist you to solve your specific issues. Team Yeasincere can help you achieve the following:
  • OEM Service
  • ODM Service
  • Make design for new equipment
  • Sample request
  • Request a quote
  • Exclusive sales
  • Professional technical support


1Q1: Are you manufacturer or trading company?
A: We are a factory.
2Q2: Where is your location? How to visit you?
A: We are located in Xiamen City, Fujian Province, 30minutes to Xiamen Gaoqi international airport. If needed, we can help to arrange to pick you up and the hotel booking.
3Q3: Do you provide samples? Is it free or charged?
A: For the first cooperation, we will charge the sample cost, but we will refund it when you place bulk order. And courier cost for sample will be paid by buyer. Mixed samples are acceptable.
4Q4: What about the lead time?
A: Sample lead time is around 7-10 working days, mass production time is about 35-55 days according to order quantities and production schedule. 
5Q5: What is your MOQ?
Usually, the MOQ can be less than 500pcs. The quantity can be negotiated by both parties.
6Q6: Is it workable to print my logo on vacuum sealer product?
A: Yes. We can add your logo on vacuum sealer products and custom your own gift box with your brand.
7Q7: How to proceed the order?
A: Firstly, let us know your requirements including product, package and certificate.
Secondly, we quote according to your requirements. Thirdly, buyer confirms the sample and all details as well as paying deposit for bulk order.
Fourthly, we arrange the production and inspection after bulk ready. The 3rd party inspection is acceptable.
8Q8: Do you offer guarantee for the products?
A: Yes, we offer one year warranty to our products.
9Q9: What is your payment term?
A: T/T 30% deposit in advance, 70% balance against the copy of B/L or L/C at sight. Sample payment term: T/T 100% in advance.
10Q10: How to control product quality?
A: First of all, we will check all incoming materials of the vacuum sealing machine. Next, we began to assemble the finished machine and do the first functional test. Finally, each product will be fully functional tested before packaging.
11Q11: Could you do us a favor to operate the machines?
A: Yes, we will provide the operation description or video for reference.
12Q12: Is there any certification for your products?
A: Yes, we got those certifications such as CE, EMC, LVD, ROHS, ETL, GS, CB, LFGB, REACH, SCCP, PAHS and ERP. If you require any other certification, further discussion needed.


The Simple Steps of Sous Vide Cooking

Advantages of Yea-Sincere vacuum bags

Sous vide cooking instructions with cover

SVC100 Sous vide Operation Guideline

The 5 Basic Steps for Cooking in the Sous Vide