Home / Service FAQ
SERVICE
FAQ
How Can We Help You?

Since 2001, we have started to conduct extensive cooperation with the European market. From DIY retail business to professional distribution networks, we focus on providing quality TRV products and value-added services to global B-end customers.The BYL100-114 series TRV products produced by the company have passed the EN215 certification of DIN laboratory in Germany, and some of our products have obtained the A-class energy efficiency certification.By the end of December 2020, we have sold more than 15 million sets of TRV products to more than 40 countries and regions such as Germany, the United Kingdom, France, Poland, Sweden, Greece, Spain, Russia, Italy and so on.

Do you offer samples? Is it free or extra?
Yes, samples can be provided, but the sample fee and courier fee will be borne by the buyer.
What products can you buy from us?
Thermostatic radiator valves, Radiator valves, Thermal actuators, Room thermostats, Pressure reducing valves, Magnetic filters, Underfloor heating accessories.
Why buy products from us instead of other suppliers?
With expertise in R&D and manufacturing, Byelearn is now a leading manufacturer in the heating and plumbing industry, providing sustainable innovation and best value to our customers.
What are your payment terms?
Accepted Delivery Terms: FOB, EXW, DDP; Accepted Payment Currency: USD; Accepted Payment Types: T/T, L/C, Western Union: T/T, L/C, Western Union.
What are your pre-sale and after-sale services?
Pre-sale Service:
1.Any inquiries and emails will be replied within 24 hours.
2.OEM and ODM order are accepted, any kind of logo printing or design or special packing requirement are available.
3.Good Quality + Factory Price + Quick Response + Reliable Service, you can get the best service.

After-sale Sevice:
1.Quick reply any questions and professional technical support.
2.Our company will take resonsibility for products with quality problems if they are caused by us.
3. We are very glad that customer give us some suggestion for price and products.
© 2024 Zhejiang Baiyilun Intelligent Control System Co., Ltd. All Rights Reserved.