The quality of Douai is guaranteed. It undergoes a field site test to check its sunlight absorptivity, energy storage as well as its energy utilization. APTEK makes sure that each connector matches different environmental standards in all countries
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Douai will go through double inspection and quality test. It is tested in terms of its sleeves, springs, and position wedges in the last production stages. APTEK has a wide range of metric circular connectors and cable assembly that fit almost all standards
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Douai is under the real-time control of the R&D team. The team will carry out a routine sampling and analysis of the raw materials so as to acquire information necessary for the economic appraisal of ores and concentrates. Fast delivery is a promise of APTEK: only 2 weeks are needed
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The freezing technology of Douai has been greatly improved by our R&D team who tries to achieve the great cooling effect while shortening the freezing time. At APTEK, certificates such as ROHS and UL are strong evidence of our capabilities
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The design of Douai is carried out around some fundamental considerations such as overall bag weight, overall shape and balance, type and configuration of zippers, etc. The modern industrial production at APTEK has increased safety, reliability, and rapid installation
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Product quality has been recognized by international authoritative testing organizations. APTEK has a wide range of metric circular connectors and cable assembly that fit almost all standards