Before/After-sales service

1. Any product inquiry is welcomed and we will reply you ASAP. Please kindly write down your Whatsapp/Skype ID, email address so you will not miss any product details, quotation and latest price discount.

2. Each product has a product warranty. Please check the service statement in the user manual.

3. Excellent customer service team is ready to solve any questions you may have.

4. Favorable price/ discount will be offer for large order. 

5. You can choose any payment methods. If you have a payment problem, please contact the trade manager ASAP. We accept 100% payment in advance, and for large order please contact the trade manger for details.

Delivery

Shipper:

1. The logistics use Alibaba 3C line to save costs and give you the best price.

2. Please contact trade manager if Alibaba 3C line cannot ship to your country/region.

3. If you need a designated logistics service, please contact our manager ASAP.

Lead time:

Normally it takes 3-7 days to receive the package. While customs inspection and other impact factors may extend delivery time.

Q1: Are you a manufacturer or trading company?

       Shanghai SIGMA High-tech Co.,Ltd., established in 1992, is a professional phototherapy manufacturer. We have self-owned factory, R&D team and excellent after-service. Also we welcome and accept OEM/ODM service request.

Q2: What is your business scope?

        Shanghai SIGMA has been devoted to phototherapy R&D for over 28 years. Product scope includes:

        1. 311nm UVB Phototherapy

        2. 308nm UVB Targeted Therapy

        3. LED Blue/Red Light Therapy(Photodynamic Therapy-PDT)

        4. UVA1 (340-400nm) Phototherapy

        4. Dermatoscope/Wood's Lamp

        5. Solar Simulator

Q3: What certificate do you have ?

        Shanghai  SIGMA products strictly meet Shanghai Medical Device Quality Standard. All products have CFDA, ISO13485, and medical device registration certification. Some device are approved by CE.

Q4: What is your product distribution terms? 

       Shanghai SIGMA welcome any product distribution. Better price will be offered based on the minimum order quantity(MOQ). Please contact our trade manager for details~