Healthy Water, Better Life
Innovative Water Purification Solutions for Homes, Businesses, and Global Brands.
With over 30 years of expertise, LONSID provides high-quality filtration systems, OEM/ODM customization, and reliable technical support for partners worldwide.
A Global Provider of Water Purification Solutions
Founded in 1988, LONSID specializes in the design, manufacturing, and global distribution of innovative water purification equipment.
With advanced production facilities, a CNAS-certified laboratory, and internationally recognized quality systems, we deliver safe, efficient, and reliable solutions for both residential and commercial needs.
1988
Company foundation
2009
Incorporation as Zhejiang Lonsid
2015
Strategic investment from IDG Capital
2018
CNAS laboratory accreditation
Present
Expanding global footprint
Why Global Partners Choose LONSID
We provide reliable, high-quality water purification solutions backed by strong R&D, strict quality control, and responsive customer support. Our commitment to innovation and manufacturing excellence makes us a trusted partner for global businesses.
Advanced Technology & R&D
With a CNAS-certified lab and strong engineering team, we develop innovative filtration technologies and customized solutions for global markets.
Strict Quality Control
From raw materials to final inspection, every product follows ISO-certified processes to ensure safety, stability, and long-term performance.
Customer-Centered Service
We provide fast response, professional support, flexible OEM/ODM options, and reliable after-sales service to help partners succeed.
Comprehensive Services to Support Your Business
We offer comprehensive support from product customization to technical assistance, quality assurance, logistics, and after-sales service—ensuring reliable performance and smooth cooperation for every customer.
OEM/ODM Customization
Product appearance, filtration systems, and branding customization.
Technical Support
Installation guides, documentation, training, remote assistance.
Quality Assurance
Multi-stage testing, full-process inspection, certified production.
Logistics & Delivery
Secure packaging, global shipping, stable lead times.
After-Sales Support
Spare parts supply, warranty service, fast response.
Our Main Product Categories
We offer a diverse range of high-performance water purification products designed for both residential and commercial applications. Our solutions combine advanced filtration technology, durable construction, and customizable options to meet the needs of global markets.
Frequently Asked Questions
Find answers to commonly asked questions about our products and services.
How can I place an order?
To place an order, simply browse our website, select your desired items, and proceed to the checkout page. Follow the prompts to provide your shipping and payment information, and your order will be processed.
What payment methods do you accept?
We accept various payment methods, including credit/debit cards, PayPal, and bank transfers. At checkout, you will have the option to choose your preferred payment method.
How long does shipping take?
Shipping times vary depending on your location. Typically, orders are processed within 1-2 business days, and delivery can take anywhere from 3-10 business days. You will receive a tracking number once your order has been shipped.
Do you offer international shipping?
Yes, we offer international shipping to selected countries. During the checkout process, you will be able to see if your country is eligible for shipping. Please note that additional customs fees or taxes may apply upon delivery, which are the responsibility of the recipient.
What is your return policy?
We have a 30-day return policy. If you are not satisfied with your purchase, you can return it for a refund or exchange within 30 days of receiving your order. Please reach out to our customer service team to initiate the return process.
Can I track my order?
Yes, once your order has been shipped, you will receive a tracking number via email. You can use this tracking number to track the progress of your shipment on our website or the couriers website.
Is my personal information secure?
Yes, we take the security of your personal information seriously. We use industry-standard encryption and security measures to protect your data. Your information will only be used for order processing and will not be shared with any third parties.
How can I contact your customer service?
Our customer service team is available to assist you via email, phone, or live chat. You can find our contact information on our websites Contact Us page. We strive to respond to all inquiries within 24 hours.
Ready to Start Your Project?
Contact us today for product details, pricing, or OEM/ODM solutions. We are ready to support your business.