FAQ

Firstly, with over 20 years experience, we’ve provided over 30,000 solutions for over 30,000 customers from 175 countries. We proudly hold the distinguished title of being the only Five Star Seller on Alibaba within our industry.

Secondly, our commitment to innovation is evident through our dedicated in-house R&D center, comprising a team of over 20 skilled researchers. With an annual investment of USD 600,000, we continuously strive to develop cutting-edge sensors. Furthermore, our advanced production facilities enable us to manufacture up to 10,000 pressure sensors and submersible level sensors per month.

Additionally, we take pride in providing comprehensive one-stop solutions for all your project requirements. From concept to completion, our team is equipped to handle every aspect, ensuring a seamless experience for our valued clients.

Yes, Holykell complies with industry standards and certifications for its products.

We adhere to relevant international standards and regulations to ensure the quality and reliability of the sensing solutions. Our products undergo rigorous tests and evaluation processes to meet or exceed industry standards.

We have passed:

International factory inspections: TUV, SGS;

Quality certifications: ISO9001:2015, ISO14001:2015 and ISO45001:2018;

Product related certifications: TUV issued CE, RoHS, ATEX, FCC, TUV, IECEX

Besides, we have obtained over 20 patents. Holykell is one of the China manufacturers that has the most certificates in measurement industry. Refer to our CERTIFICATES page for more details.

Yes, Holykell offers product warranties and guarantees.

The specific warranty terms and durations may vary depending on the product type and model.

Generally, the warranty for pressure sensors is 18 months, 12 months for level sensors and flow meters. Refer to WARRANTY for more details.

Yes, Holykell’s sensing solutions are designed to be compatible with existing systems and equipment. We understand the importance of seamless integration and offer products that can be easily integrated into a wide range of industrial processes and control systems, data acquisition systems, programmable logic controllers (PLCs), and other equipment commonly used in industries.

Yes, Holykell provides technical support and assistance during the installation and operation of its products. We understand that customers may require guidance or assistance at various stages of the product lifecycle. And our technical support team is available to answer customer inquiries, provide instructions & troubleshooting assistance, and address any technical issues that may arise.

Customers can reach out us through emails, phones, or online chat. For after-sales issues, we will response within 1 hour and offer you satisfactory solutions. 

Yes, Holykell’s products can be customized to specific requirements, including sensor ranges, output signals, electrical connections, mounting options, and physical enclosures and so on. We possess the capability to develop sensors tailored to meet the specific requirements of your special applications.