Some items including silica analyzer on the internet are marked as "Free Sample" and can be ordered as such. In general, Shanghai Boqu Instrument 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.

Boqu Instrument is a skilled and large scale water quality sensor manufacturer. Boqu Instrument has created a number of successful series, and water analyzer is one of them. Even in extreme condition, our pressure level sensor can work normally. Its shell is made to be highly wear-resistant. Boqu Instrument will send detailed procedures to teach customers how to install ultrasonic level meter. It has been exported to the markets of Thailand, India, Malaysia, etc.

Our company has adopted a socially responsible management approach. We only use production methods that are environmentally friendly. Call now!