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 manufactures connectors up to the IEC international standard
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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 could provide customers with safe, reliable, and easy-installed connectors
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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. APTEK supplies different custom services for different applications such as food & beverage business
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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. The modern industrial production at APTEK has increased safety, reliability, and rapid installation
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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. APTEK is located in Zhongshan City which is one of the Four Little Tigers in Guangdong Province
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Product quality has been recognized by international authoritative testing organizations. Efficient response to all instructions from customers is a mission of APTEK