Cotran covers various types of fireproof sealing and blocking products including adhesive tape, fireproofing mud, and expansion rubber. We focus on meeting the demands on fireproof sealing and blocking for power customers including multiple applicable scenes: fire protection for transformer substation cable trenches, fire and condensation prevention for switch cabinets, fire protection for intermediate heads of cables, and fireproof sealing and blocking for through-wall cables.

Cotran also produces electrical maintenance products of various types, including self-setting, coating, and adhesive tape. We focus on meeting the daily maintenance requirements of electricity distribution network users with multiple application scenes including: insulation maintenance of busbar, repair of damaged cables, insulation protection for bare overhead lines, and waterproofing for cables.

By virtue of its advantages in high polymer materials, Cotran provides all categories of cable connecting schemes to distribution network users, including intermediate head of structural recovery type, intermediate head of cables of cold shrink type, cable terminal joint of cold shrink type, and intermediate head of wrapping type, thus meeting different demands of different customers.