Delivery &
sale
chemical materials
Chemical additives
About us
Helong international company connecst our global market insights, our unmatched science and our honed technical skill to improve quality and life of civil construction, producing economic benefits with far-reaching effects. This enables us to create measurable and meaningful value for our dearest customers. Our broad vision enables us to cater to the market needs and fulfill them in many countries, we know how to adjust to any market conditions.