For Fermator door controller VVVF4+

1. POTENSI business type is B2B not B2C, so it’s better to buy from your local distributor if you are an end user. Our business is only for local wholesalers/agents.
2. You can try to contact our service department firstly if you are a big local elevator maintenance company with your own technician, then we will consider whether we can go on together or not.
3. We are not your target supplier if you only focus on the lower price, ignoring the products, because POTENSI always puts Products and Services in first position.
4. If you are searching for a long-term, reliable and professional elevator products supplier, please don't hesitate to REGISTER to become our member. You will receive great support and benefits.

1. Quality Insurance
   100% New and from original manufacturers or their direct suppliers.
2. Multi-brand Available Parts
   More than 200K multi-brand spare parts are available for any elevator brand.
3. Speed & Flexibility
   Within 3 hours of feedback, 4 days package times for 10k products, 5 days ship out all.
4. After-sales Insurance & Safety
   12-month warranty and free return if we send the wrong products.
5. Maximum savings for the shipping cost
   ONE-STOP-SHOP saves time and shipping costs by purchasing all your parts from one source.

Whether you are a wholesaler or even maintenance company, you will find POTENSI is the ONE-STOP-SHOP for all the parts you need.

At POTENSI, our focus is to help you access to all kind of clients or all brand elevator easily with our 21 years experience in China elevator industry.

POTENSI mission is to help you to succeed and enhance building safety worldwide with top-quality elevator parts and outstanding service.

Delivery speed is our strength, but what make us different from everyone else is our multi-brand offering. Purchasing from POTENSI is as easy as it gets with 200K+ multi-brand parts.

Our web shop is open 24hours, 7days a week. Once you registered as our member, you will get many great benefits and you are able to find the part you need with any code and get our VIP service by sales specialist.

To ensure high quality, POTENSI provide parts only by original equipment manufacturers or their direct suppliers. You cooperate with POTENSI , you get the insurance of succeed when you are facing your customers.