China Testing & Certification International Group Co., Ltd. (CTC, Stock Code 603060) originated from the testing and certification business of China Building Materials Academy in the 1950s. After 70 years of unremitting efforts and persistent pursuit, the company has formed five business categories: detection and testing, certification and evaluation, testing instruments and intelligent manufacturing, measurement and calibration, scientific research and technical services, committed to providing customers with technical services and comprehensive solutions of detection and testing, certification and evaluation, appraisal, consultation, training, and instruments and equipment in fields of quality, environmental protection, green, safety, health, and energy conservation.

Mechanical Draft Cooling Towers (Small and Medium-Sized Open-Circuit Cooling Towers)
Mechanical Draft Cooling Towers (Large Open-Circuit Cooling Towers)
Cooling Capacity
Noise
Energy Efficiency
Drift Loss Rate
Appearance (Composite Material Parts)
Oxygen Index
Flexural Strength (Hand Lay-Up, Molding) (Transverse, Longitudinal)
Zinc Coating Thickness (Steel Plate Thickness of 4 mm)
Screw Pull-Out Load-Bearing Capacity
Tensile Strength, Modulus (Transverse)
Tensile Strength, Modulus (Longitudinal)
Interlaminar Shear Strength
Compressive Strength, Modulus (Transverse)
Compressive Strength, Modulus (Longitudinal)
Bolt Bearing Strength (Transverse)
Bolt Bearing Strength (Longitudinal)
Mechanical Draft Cooling Towers (Small and Medium-Sized Open-Circuit Cooling Towers) — GB/T 7190.1-2018
Mechanical Draft Cooling Towers (Large Open-Circuit Cooling Towers) — GB/T 7190.2-2018
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