If the product page of hvac duct machine is marked with "Free Sample", then a free sample is available. In general, free samples are available for regular products of YINGDE VENTECH INTELLIGENT EQUIPMENT CO., LTD.. However, if the customer has certain requirements, such as product size, material, color or logo, we will charge a fee. We sincerely hope that you understand that we want to charge the sample cost and will deduct it once the order is confirmed.

VENTECH INTELLIGENT EQUIPMENT has specialized in the production and sales of automatic machine. automatic machine is the main product of VENTECH INTELLIGENT EQUIPMENT. It is diverse in variety. The product is characterized by its reliability. All its electrical components and materials are either FDA/UL/CE approved to ensure premium quality. This product has been praised by its prominent energy-saving effect. VENTECH INTELLIGENT EQUIPMENT has been always focusing on providing the best service for customers. The working speed of this product can be easily set in line with requirements.

Presenting high quality customer service has been always something that VENTECH sticks to. Inquire!