... ≥13513 Glass Fiber Content % 70-8014 ECR Rod Stress Corrosion Test h ≥96 ----------------------------------------------------------------------------------------------------Why Tongyi Power Equipment ? a. honesty, sincerity, mutual benefit ... production of fiberglass rod, epoxy resin, pultrusion. d. KEMA, WHRVI test reports, ISO 9001 approved company e. response within 12 hours ...