Ningbo Welldo Technology Co.,Ltd.

Welcome to Ningbo Welldo Technology Co., Ltd.

WelldoTech was established in 2020, located in Ningbo,Zhejiang. We are the professional manufacturer and exporter specialized in waterproof marking chalks/crayons,chalk holders,and customized parts.

Company has a mature product line to meet the needs of different customers,such as production, packaging, printing, and even the development of molds to develop new products. Our skilled workers which enable us to produce high quality chalks and holders in substantial quantities. Perfect for indoor and outdoor use, these markers are the ultimate tool for any tough job.

We believe that any product requires concentration and in-depth research to obtain the highest quality.

Products

Whether you’re marking wood for cutting, steel for welding, or stone for construction, our chalk markers are the reliable choice for professionals who need accuracy and endurance.

Chalk Holder

Aluminum Chalk Holder

Tire Marking Crayons

Wood Marking Crayons

Metal Marking Crayons

Solutions

These markers provide precise and durable markings that withstand extreme conditions, ensuring clear visibility and long-lasting performance.

Package Solutions

Printing Solutions

Product Design Solutions

Products Application

Our waterproof and high-temperature resistant chalk markers are designed to meet the rigorous demands of industrial applications in wood, steel, and stone sectors.