Some chlorine meter items online are marked "Free Sample" and could be ordered as such. Generally speaking, Shanghai Boqu Instrument Co., Ltd.'s regular goods are readily available for free samples. But in the event the customer has some particular requirements such as product size, material, color or LOGO, we shall bill the relevant expenses. We keen for your understanding that we would like to charge the sample cost that will be deducted once the order is supported.

Boqu Instrument is known as a leading company in the domestic market. Our key competence is the outstanding capability in manufacturing industrial ph meter. The dissolved oxygen meter series has many styles to meet the diversified needs of customers. The creation of BOQU online cod analyser is in line with international electrical safety standards. It meets the requirements of IEC, EMC, CE marking, etc. The product has a function of automatic calibration. Boqu Instrument is a professional manufacturer of play equipment with rich experience in product development and great production capability. portable residual chlorine meter is a qualified product that has passed the quality certification of national authority.

At Boqu Instrument, you can get quality assurance and professional service. Please contact us!