Yes. Hunan Rika Electronic Tech Co.,Ltd will arrange a sample charge refund once an order is placed. Generally, we will set up a refund mechanism for customers who would like to place an order with a product quantity higher than the minimum order quantity set by us. The samples are only provided for free in the case of customers having a desire for further cooperation. Rika Sensors guarantees offering samples with the same quality as the ordinary product, which has a high pass rate. Moreover, we offer discounts for large orders to maximize mutual benefits.

With outstanding capability in R&D, Rika Sensors is a highly respected company which focuses on level sensor. Rika Sensors is mainly engaged in the business of water sensor and other product series. Because of the features of solar panel, solar power supply system becomes most people's choice. Made of carbon fiber materials, this product is light in weight. Characterized by its energy saving capacity, this product has largely eased the environmental burden because it has greatly cut the demand for electricity. Even in the harsh climatic conditions, this product can detect the best result.

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