上海自拓自動化科技有限公司 手機：13761907073 15216811775 電話：021-60487990 傳真：021-33592875 聯系人:周工 QQ：1442561417 產品特點:適應性強的全數字直流驅動裝置,滿足各種工業生產應用 ● 基于微處理器的控制電路 ● 模擬速度給定的分辨率為0.025% ● 邏輯化按鍵編程 ● 采用測速機反饋,負載變化的速度保持率為0.1% ● 先進的自診斷功能 ● 失磁保護 ● 軟件的可擴展性 ● 過載保護 ● 逆變電壓達1.15 x Vrms ● 反饋丟失保護 ● 串行通訊接口RS232/RS485 ● 缺相保護 ● 非發揮性存貯器用于保存參數 ● 150%過載持續時間30秒 ● 單象限和四象限模塊 ● 錐形電流限幅 ● 相序容差 ● 電樞電流變化速率限制 擴展容易 ◆ 應用功能卡(MD29) ◆ CT Net接口(MD29AN) ◆ Profibus-DP接口(MD24) ◆ Device Net接口(MD25) ◆ Interbus-S接口(MDIBS) ◆ 擴展輸入/輸出模塊(I/O接口盒) ◆ 直流電機勵磁控制器(FXM5) 滿足各種應用 數字速度盒位置控制回路 本功能可使用多臺驅動裝置運行的速度或位置同步.在擠塑、拉絲和紡織生產中,通過轉軸相對位置的偏移或可調轉速比控制,實現拉伸或壓縮控制. 中心卷取 實現開卷或卷取的恒定卷筒張力控制,主要用于造紙、線材、塑料和金屬加工等工業,連續調節驅動裝置輸出轉矩對卷徑、機械損耗和卷筒慣量的變化進行補償. 轉軸定位 用戶可設定相對電子反饋基準點的電機轉軸的終位置,如基準點可以是編碼器發出的定位脈沖.簡單地修改相應的參數值即可調整轉軸位置. 定位完成后,驅動裝置輸出一指示信號.本功能廣泛用于CNC機床更換刀具或其他自動化應用中. 勵磁控制器 MD25-M210/R系列驅動裝置裝有作為標準配置的MDA3勵磁控制器.勵磁控制器控制電機勵磁電流,如實現恒功率控制. 本功能對要求恒功率控制的應用特別有用,如機床、攪拌機、開卷和卷取. 驅動裝置設有勵磁故障檢測實現全面保護,全數字控制方便調試和操作. MD350-M1850系列驅動裝置設有固定勵磁電源.對勵磁電流較高達20A的應用,可用于FXM5勵磁控制器. S曲線 本功能在用戶設定的加速/減速斜坡兩端形成曲線形狀.每一象限的S曲線形狀由的參數組設定,分別對S曲線的線性部分和曲線部分進行設定.由于速度極大的平滑和變化緩慢,典型的應用是起重、吊車和傳送帶.變頻器型號：SP1201 SP1202 SP1203 SP1204 SP2201 熱線電話:13795447976/021-51591140 142UMC300CACAA---特價供應變頻器型號：SP1201 SP1202 SP1203 SP1204 SP2201 SP2202 SP2203 SP3201 SP3202 SP1401 SP1402 SP1403 SP1404 SP1405 SP1406 SP2401 SP2402 SP2403 SP3401 SP3402 SP3403 SP3501 SP3502 SP3503 SP3504 SP3505 SP3506 SP3507 IEC61000-4-2 EN61000-4-2 IEC61000-4-3 EN61000-4-3 IEC61000-4-4 EN61000-4-4 IEC61000-4-5 EN61000-4-5 IEC61000-4-6 EN61000-4-6 EN50082-1 IEC61000-6-1 EN61000-6-1 EN50082-2 IEC61000-6-2 EN61000-6-2 EN61800-3 IEC61800-3 EN61800-3 IEC61000-4-11 EN61000-4-11 ES2401 ES2402 ES2403 ES2404 ES3401 ES3402 ES3403 ES4401 ES4402 ES4403 SKA1200025 SKA1200037 SKA1200055 SKA1200075 KBD200110 SKBD200150 SKCD200220 SKBD200110 SKBD200150 SKCD200220 SK2202 SK2203 SK3201 SK3202 SK4201 SK4202 SK4203 SK5201 SK5202 SK3501 SK3502 SK3503 SK3504 SK3505 SK3506 SK3507 SK4603 SK4604 SK4605 SK4606 SK5601 SK5602 SK6601 SK6602 SKB3400037 SKB3400055 SKB3400075 SKB3400110 SKB3400150 SKC3400220 SKC3400300 SKC3400400 SK2401 SK2402 SK2403 SK2404 SK3401 SK3402 SK3403 SK4401 SK4402 SK4403 SK5401 SK5402 SK6401 SK6402 SK4601 SK4602 SK4603 SK4604 SK4605 SK4606 SK5601 SK5602 SK6601 SK6602 SE11200025 SE11200037 SE11200055 SE11200075 SE2D200075 SE2D200110 SE2D200150 SE2D200220 SE23200400 SE23400075 SE23400110 SE23400150 SE23400220 SE23400300 SE23400400 SE33200550 SE33200750 SE33400550 SE33400750 SE43401100 SE43401500 SE43401850 SE53402200 SE53403000 SE53403700 UNI 1401 UNI 1402 UNI 1403 UNI 1404 UNI 1405 UNI 2401 UNI 2402 UNI 2403 UNI 3401 UNI 3402 UNI 3403 UNI 3404 UNI 3405 UNI 4401 UNI 4402 UNI 4403 UNI 4404 UNI 4405 UNI 5401* SE11200025 SE11200037 SE11200055 SE11200075 SE2D200075 SE2D200110 SE2D200150 SE2D200220 SE23200400 SE23400075 SE23400110 SE23400150 SE23400220 SE23400300 SE23400400 SE33200550 SE33200750 SE33400550 SE33400750 SE43401100 SE43401500 SE43401850 差壓變送器 EJA110A SP1201 SP1202 SP1203 SP1204 SP2201 SP2202 SP2203 SP3201 SP3202 SP1401 SP1402 SP1403 SP1404 SP1405 SP1406 SP2401 SP2402 SP2403 SP3401 SP3402 SP3403 SP3501 SP3502 SP3503 SP3504 SP3505 SP3506 SP3507 IEC61000-4-2 EN61000-4-2 IEC61000-4-3 EN61000-4-3 IEC61000-4-4 EN61000-4-4 IEC61000-4-5 EN61000-4-5 IEC61000-4-6 EN61000-4-6 EN50082-1 IEC61000-6-1 EN61000-6-1 EN50082-2 IEC61000-6-2 EN61000-6-2 EN61800-3 IEC61800-3 EN61800-3 IEC61000-4-11 EN61000-4-11 ES2401 ES2402 ES2403 ES2404 ES3401 ES3402 ES3403 ES4401 ES4402 ES4403 SKA1200025 SKA1200037 SKA1200055 SKA1200075 KBD200110 SKBD200150 SKCD200220 SKBD200110 SKBD200150 SKCD200220 SK2202 SK2203 SK3201 SK3202 SK4201 SK4202 SK4203 SK5201 SK5202 SK3501 SK3502 SK3503 SK3504 SK3505 SK3506 SK3507 SK4603 SK4604 SK4605 SK4606 SK5601 SK5602 SK6601 SK6602 SKB3400037 SKB3400055 SKB3400075 SKB3400110 SKB3400150 SKC3400220 SKC3400300 SKC3400400 SK2401 SK2402 SK2403 SK2404 SK3401 SK3402 SK3403 SK4401 SK4402 SK4403 SK5401 SK5402 SK6401 SK6402 SK4601 SK4602 SK4603 SK4604 SK4605 SK4606 SK5601 SK5602 SK6601 SK6602 SE11200025 SE11200037 SE11200055 SE11200075 SE2D200075 SE2D200110 SE2D200150 SE2D200220 SE23200400 SE23400075 SE23400110 SE23400150 SE23400220 SE23400300 SE23400400 SE33200550 SE33200750 SE33400550 SE33400750 SE43401100 SE43401500 SE43401850 SE53402200 SE53403000 SE53403700 UNI 1401 UNI 1402 UNI 1403 UNI 1404 UNI 1405 UNI 2401 UNI 2402 UNI 2403 UNI 3401 UNI 3402 UNI 3403 UNI 3404 UNI 3405 UNI 4401 UNI 4402 UNI 4403 UNI 4404 UNI 4405 UNI 5401* 142UMB301CACAA 142UMC300CBAAA 142UMB300CACAA 差壓變送器 EJA110A SP1201 SP1202 SP1203 SP1204 SP2201 SP2202 SP2203 SP3201 SP3202 SP1401 SP1402 SP1403 SP1404 SP1405 SP1406 SP2401 SP2402 SP2403 SP3401 SP3402 SP3403 SP3501 SP3502 SP3503 SP3504 SP3505 SP3506 SP3507 IEC61000-4-2 EN61000-4-2 IEC61000-4-3 EN61000-4-3 IEC61000-4-4 EN61000-4-4 IEC61000-4-5 EN61000-4-5 IEC61000-4-6 EN61000-4-6 EN50082-1 IEC61000-6-1 EN61000-6-1 EN50082-2 IEC61000-6-2 EN61000-6-2 EN61800-3 IEC61800-3 EN61800-3 IEC61000-4-11 EN61000-4-11 ES2401 ES2402 ES2403 ES2404 ES3401 ES3402 ES3403 ES4401 ES4402 ES4403 SKA1200025 SKA1200037 SKA1200055 SKA1200075 KBD200110 SKBD200150 SKCD200220 SKBD200110 SKBD200150 SKCD200220 SK2202 SK2203 SK3201 SK3202 SK4201 SK4202 SK4203 SK5201 SK5202 SK3501 SK3502 SK3503 SK3504 SK3505 SK3506 SK3507 SK4603 SK4604 SK4605 SK4606 SK5601 SK5602 SK6601 SK6602 SKB3400037 SKB3400055 SKB3400075 SKB3400110 SKB3400150 SKC3400220 SKC3400300 SKC3400400 SK2401 SK2402 SK2403 SK2404 SK3401 SK3402 SK3403 SK4401 SK4402 SK4403 SK5401 SK5402 SK6401 SK6402 SK4601 SK4602 SK4603 SK4604 SK4605 SK4606 SK5601 SK5602 SK6601 SK6602 SE11200025 SE11200037 SE11200055 SE11200075 SE2D200075 SE2D200110 SE2D200150 SE2D200220 SE23200400 SE23400075 SE23400110 SE23400150 SE23400220 SE23400300 SE23400400 SE33200550 SE33200750 SE33400550 SE33400750 SE43401100 SE43401500 SE43401850 SE53402200 SE53403000 SE53403700 UNI 1401 UNI 1402 UNI 1403 UNI 1404 UNI 1405 UNI 2401 UNI 2402 UNI 2403 UNI 3401 UNI 3402 UNI 3403 UNI 3404 UNI 3405 UNI 4401 UNI 4402 UNI 4403 UNI 4404 UNI 4405 UNI 5401* 142UMB301CACAA 142UMC300CBAAA 142UMB300CACAA 變頻器型號：SP1201 SP1202 SP1203 SP1204 SP2201 SP2202 SP2203 SP3201 SP3202 SP1401 SP1402 SP1403 SP1404 SP1405 SP1406 SP2401 SP2402 SP2403 SP3401 SP3402 SP3403 SP3501 SP3502 SP3503 SP3504 SP3505 SP3506 SP3507 IEC61000-4-2 EN61000-4-2 IEC61000-4-3 EN61000-4-3 IEC61000-4-4 EN61000-4-4 IEC61000-4-5 EN61000-4-5 IEC61000-4-6 EN61000-4-6 EN50082-1 IEC61000-6-1 EN61000-6-1 EN50082-2 IEC61000-6-2 EN61000-6-2 EN61800-3 IEC61800-3 EN61800-3 IEC61000-4-11 EN61000-4-11 ES2401 ES2402 ES2403 ES2404 ES3401 ES3402 ES3403 ES4401 ES4402 ES4403 SKA1200025 SKA1200037 SKA1200055 SKA1200075 KBD200110 SKBD200150 SKCD200220 SKBD200110 SKBD200150 SKCD200220 SK2202 SK2203 SK3201 SK3202 SK4201 SK4202 SK4203 SK5201 SK5202 SK3501 SK3502 SK3503 SK3504 SK3505 SK3506 SK3507 SK4603 SK4604 SK4605 SK4606 SK5601 SK5602 SK6601 SK6602 SKB3400037 SKB3400055 SKB3400075 SKB3400110 SKB3400150 SKC3400220 SKC3400300 SKC3400400 SK2401 SK2402 SK2403 SK2404 SK3401 SK3402 SK3403 SK4401 SK4402 SK4403 SK5401 SK5402 SK6401 SK6402 SK4601 SK4602 SK4603 SK4604 SK4605 SK4606 SK5601 SK5602 SK6601 SK6602 SE11200025 SE11200037 SE11200055 SE11200075 SE2D200075 SE2D200110 SE2D200150 SE2D200220 SE23200400 SE23400075 SE23400110 SE23400150 SE23400220 SE23400300 SE23400400 SE33200550 SE33200750 SE33400550 SE33400750 SE43401100 SE43401500 SE43401850 SE53402200 SE53403000 SE53403700 UNI 1401 UNI 1402 UNI 1403 UNI 1404 UNI 1405 UNI 2401 UNI 2402 UNI 2403 UNI 3401 UNI 3402 UNI 3403 UNI 3404 UNI 3405 UNI 4401 UNI 4402 UNI 4403 UNI 4404 UNI 4405 UNI 5401* SE11200025 SE11200037 SE11200055 SE11200075 SE2D200075 SE2D200110 SE2D200150 SE2D200220 SE23200400 SE23400075 SE23400110 SE23400150 SE23400220 SE23400300 SE23400400 SE33200550 SE33200750 SE33400550 SE33400750 SE43401100 SE43401500 SE43401850 SP2202 SP2203 SP3201 SP3202 SP1401 SP1402 SP1403 SP1404 SP1405 SP1406 SP2401 SP2402 SP2403 SP3401 SP3402 SP3403 SP3501 SP3502 SP3503 SP3504 SP3505 SP3506 SP3507 IEC61000-4-2 EN61000-4-2 IEC61000-4-3 EN61000-4-3 IEC61000-4-4 EN61000-4-4 IEC61000-4-5 EN61000-4-5 IEC61000-4-6 EN61000-4-6 EN50082-1 IEC61000-6-1 EN61000-6-1 EN50082-2 IEC61000-6-2 EN61000-6-2 EN61800-3 IEC61800-3 EN61800-3 IEC61000-4-11 EN61000-4-11 ES2401 ES2402 ES2403 ES2404 ES3401 ES3402 ES3403 ES4401 ES4402 ES4403 SKA1200025 SKA1200037 SKA1200055 SKA1200075 KBD200110 SKBD200150 SKCD200220 SKBD200110 SKBD200150 SKCD200220 SK2202 SK2203 SK3201 SK3202 SK4201 SK4202 SK4203 SK5201 SK5202 SK3501 SK3502 SK3503 SK3504 SK3505 SK3506 SK3507 SK4603 SK4604 SK4605 SK4606 SK5601 SK5602 SK6601 SK6602 SKB3400037 SKB3400055 SKB3400075 SKB3400110 SKB3400150 SKC3400220 SKC3400300 SKC3400400 SK2401 SK2402 SK2403 SK2404 SK3401 SK3402 SK3403 SK4401 SK4402 SK4403 SK5401 SK5402 SK6401 SK6402 SK4601 SK4602 SK4603 SK4604 SK4605 SK4606 SK5601 SK5602 SK6601 SK6602 SE11200025 SE11200037 SE11200055 SE11200075 SE2D200075 SE2D200110 SE2D200150 SE2D200220 SE23200400 SE23400075 SE23400110 SE23400150 SE23400220 SE23400300 SE23400400 SE33200550 SE33200750 SE33400550 SE33400750 SE43401100 SE43401500 SE43401850 SE53402200 SE53403000 SE53403700 UNI 1401 UNI 1402 UNI 1403 UNI 1404 UNI 1405 UNI 2401 UNI 2402 UNI 2403 UNI 3401 UNI 3402 UNI 3403 UNI 3404 UNI 3405 UNI 4401 UNI 4402 UNI 4403 UNI 4404 UNI 4405 UNI 5401* SE11200025 SE11200037 SE11200055 SE11200075 SE2D200075 SE2D200110 SE2D200150 SE2D200220 SE23200400 SE23400075 SE23400110 SE23400150 SE23400220 SE23400300 SE23400400 SE33200550 SE33200750 SE33400550 SE33400750 SE43401100 SE43401500 SE43401850 差壓變送器 EJA110A SP1201 SP1202 SP1203 SP1204 SP2201 SP2202 SP2203 SP3201 SP3202 SP1401 SP1402 SP1403 SP1404 SP1405 SP1406 SP2401 SP2402 SP2403 SP3401 SP3402 SP3403 SP3501 SP3502 SP3503 SP3504 SP3505 SP3506 SP3507 IEC61000-4-2 EN61000-4-2 IEC61000-4-3 EN61000-4-3 IEC61000-4-4 EN61000-4-4 IEC61000-4-5 EN61000-4-5 IEC61000-4-6 EN61000-4-6 EN50082-1 IEC61000-6-1 EN61000-6-1 EN50082-2 IEC61000-6-2 EN61000-6-2 EN61800-3 IEC61800-3 EN61800-3 IEC61000-4-11 EN61000-4-11 ES2401 ES2402 ES2403 ES2404 ES3401 ES3402 ES3403 ES4401 ES4402 ES4403 SKA1200025 SKA1200037 SKA1200055 SKA1200075 KBD200110 SKBD200150 SKCD200220 SKBD200110 SKBD200150 SKCD200220 SK2202 SK2203 SK3201 SK3202 SK4201 SK4202 SK4203 SK5201 SK5202 SK3501 SK3502 SK3503 SK3504 SK3505 SK3506 SK3507 SK4603 SK4604 SK4605 SK4606 SK5601 SK5602 SK6601 SK6602 SKB3400037 SKB3400055 SKB3400075 SKB3400110 SKB3400150 SKC3400220 SKC3400300 SKC3400400 SK2401 SK2402 SK2403 SK2404 SK3401 SK3402 SK3403 SK4401 SK4402 SK4403 SK5401 SK5402 SK6401 SK6402 SK4601 SK4602 SK4603 SK4604 SK4605 SK4606 SK5601 SK5602 SK6601 SK6602 SE11200025 SE11200037 SE11200055 SE11200075 SE2D200075 SE2D200110 SE2D200150 SE2D200220 SE23200400 SE23400075 SE23400110 SE23400150 SE23400220 SE23400300 SE23400400 SE33200550 SE33200750 SE33400550 SE33400750 SE43401100 SE43401500 SE43401850 SE53402200 SE53403000 SE53403700 UNI 1401 UNI 1402 UNI 1403 UNI 1404 UNI 1405 UNI 2401 UNI 2402 UNI 2403 UNI 3401 UNI 3402 UNI 3403 UNI 3404 UNI 3405 UNI 4401 UNI 4402 UNI 4403 UNI 4404 UNI 4405 UNI 5401* 142UMB301CACAA 142UMC300CBAAA 142UMB300CACAA 差壓變送器 EJA110A SP1201 SP1202 SP1203 SP1204 SP2201 SP2202 SP2203 SP3201 SP3202 SP1401 SP1402 SP1403 SP1404 SP1405 SP1406 SP2401 SP2402 SP2403 SP3401 SP3402 SP3403 SP3501 SP3502 SP3503 SP3504 SP3505 SP3506 SP3507 IEC61000-4-2 EN61000-4-2 IEC61000-4-3 EN61000-4-3 IEC61000-4-4 EN61000-4-4 IEC61000-4-5 EN61000-4-5 IEC61000-4-6 EN61000-4-6 EN50082-1 IEC61000-6-1 EN61000-6-1 EN50082-2 IEC61000-6-2 EN61000-6-2 EN61800-3 IEC61800-3 EN61800-3 IEC61000-4-11 EN61000-4-11 ES2401 ES2402 ES2403 ES2404 ES3401 ES3402 ES3403 ES4401 ES4402 ES4403 SKA1200025 SKA1200037 SKA1200055 SKA1200075 KBD200110 SKBD200150 SKCD200220 SKBD200110 SKBD200150 SKCD200220 SK2202 SK2203 SK3201 SK3202 SK4201 SK4202 SK4203 SK5201 SK5202 SK3501 SK3502 SK3503 SK3504 SK3505 SK3506 SK3507 SK4603 SK4604 SK4605 SK4606 SK5601 SK5602 SK6601 SK6602 SKB3400037 SKB3400055 SKB3400075 SKB3400110 SKB3400150 SKC3400220 熱線電話:13795447976/021-51591140 SKC3400300 SKC3400400 SK2401 SK2402 SK2403 SK2404 SK3401 SK3402 SK3403 SK4401 SK4402 SK4403 SK5401 SK5402 SK6401 SK6402 SK4601 SK4602 SK4603 SK4604 SK4605 SK4606 SK5601 SK5602 SK6601 SK6602 SE11200025 SE11200037 SE11200055 SE11200075 SE2D200075 SE2D200110 SE2D200150 SE2D200220 SE23200400 SE23400075 SE23400110 SE23400150 SE23400220 SE23400300 SE23400400 SE33200550 SE33200750 SE33400550 SE33400750 SE43401100 SE43401500 SE43401850 SE53402200 SE53403000 SE53403700 UNI 1401 UNI 1402 UNI 1403 UNI 1404 UNI 1405 UNI 2401 UNI 2402 UNI 2403 UNI 3401 UNI 3402 UNI 3403 UNI 3404 UNI 3405 UNI 4401 UNI 4402 UNI 4403 UNI 4404 UNI 4405 UNI 5401* 142UMB301CACAA 142UMC300CBAAA 142UMB300CACAA 變頻器型號：SP1201 SP1202 SP1203 SP1204 SP2201 SP2202 SP2203 SP3201 SP3202 SP1401 SP1402 SP1403 SP1404 SP1405 SP1406 SP2401 SP2402 SP2403 SP3401 SP3402 SP3403 SP3501 SP3502 SP3503 SP3504 SP3505 SP3506 SP3507 IEC61000-4-2 EN61000-4-2 IEC61000-4-3 EN61000-4-3 IEC61000-4-4 EN61000-4-4 IEC61000-4-5 EN61000-4-5 IEC61000-4-6 EN61000-4-6 EN50082-1 IEC61000-6-1 EN61000-6-1 EN50082-2 IEC61000-6-2 EN61000-6-2 EN61800-3 IEC61800-3 EN61800-3 IEC61000-4-11 EN61000-4-11 ES2401 ES2402 ES2403 ES2404 ES3401 ES3402 ES3403 ES4401 ES4402 ES4403 SKA1200025 SKA1200037 SKA1200055 SKA1200075 KBD200110 SKBD200150 SKCD200220 SKBD200110 SKBD200150 SKCD200220 SK2202 SK2203 SK3201 SK3202 SK4201 SK4202 SK4203 SK5201 SK5202 SK3501 SK3502 SK3503 SK3504 SK3505 SK3506 SK3507 SK4603 SK4604 SK4605 SK4606 SK5601 SK5602 SK6601 SK6602 SKB3400037 SKB3400055 SKB3400075 SKB3400110 SKB3400150 SKC3400220 SKC3400300 SKC3400400 SK2401 SK2402 SK2403 SK2404 SK3401 SK3402 SK3403 SK4401 SK4402 SK4403 SK5401 SK5402 SK6401 SK6402 SK4601 SK4602 SK4603 SK4604 SK4605 SK4606 SK5601 SK5602 SK6601 SK6602 SE11200025 SE11200037 SE11200055 SE11200075 SE2D200075 SE2D200110 SE2D200150 SE2D200220 SE23200400 SE23400075 SE23400110 SE23400150 SE23400220 SE23400300 SE23400400 SE33200550 SE33200750 SE33400550 SE33400750 SE43401100 SE43401500 SE43401850 SE53402200 SE53403000 SE53403700 UNI 1401 UNI 1402 UNI 1403 UNI 1404 UNI 1405 UNI 2401 UNI 2402 UNI 2403 UNI 3401 UNI 3402 UNI 3403 UNI 3404 UNI 3405 UNI 4401 UNI 4402 UNI 4403 UNI 4404 UNI 4405 UNI 5401* SE11200025 SE11200037 SE11200055 SE11200075 SE2D200075 SE2D200110 SE2D200150 SE2D200220 SE23200400 SE23400075 SE23400110 SE23400150 SE23400220 SE23400300 SE23400400 SE33200550 SE33200750 SE33400550 SE33400750 SE43401100 SE43401500 SE43401850 上海自拓自動化科技有限公司 手機：13761907073 15216811775 電話：021-60487990 傳真：021-33592875 聯系人:周工 QQ：1442561417