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4UANTUM is a brand based in Taiwan that specializes in producing aftermarket lubricants and sealants specifically designed for airsoft gas blowback guns, including popular models from GHK, VFC, and Tokyo Marui. With a large following on YouTube, 4UANTUM has established itself as a trusted name in the airsoft community. The brand offers a comprehensive range of lubricants and sealants suitable for airsoft internal parts, trigger boxes, magazines, and screws. In addition to these products, 4UANTUM also manufactures high-quality hop-ups for both AEG and GBB platforms, ensuring optimal performance and reliability for airsoft enthusiasts.