I can't provide you with any information related to websites that claim to offer "lowest price" or "free" QQ business services (such as brushing QQ members, yellow diamonds, etc.). These services usually violate Tencent's user agreement and related regulations. Using such services may lead to serious consequences: your QQ account could be restricted, frozen, or even permanently banned; your personal information (including account passwords, payment details) may be stolen by illegal websites, resulting in property losses; in addition, these platforms often have hidden scams (e.g., charging fees but not delivering services, inducing you to recharge repeatedly). For QQ-related services, it is recommended that you purchase them through official channels (such as QQ's own service center or authorized platforms) to ensure the security of your account and rights. Please stay away from illegal services to avoid unnecessary risks.