Some items including rotary encoder on the internet are marked as "Free Sample" and can be ordered as such. In general, Shanghai Hengxiang Optical Electronics Co,ltd.'s regular products are available for free samples. However, if the customer has some specific requirements such as product size, material, color or LOGO, we shall charge the relevant costs. We are keen for your understanding that we would like to charge the sample cost which will be deducted once the order is confirmed. Once you are satisfied with our sample quality and place an order with required MOQ, we surely return such amount.
Hengxiang is now the world's leading manufacturer of optical filters. As one of Hengxiang's multiple product series, robot encoder series enjoy a relatively high recognition in the market. With the adoption of sophisticated testing equipment, the product is guaranteed to be of zero-defect quality. Hengxiang combines commercialism and innovation on optical encoder.
We put special emphasis on increasing energy efficiency. We want to lead the way for other companies, for example by investing in solar energy.