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| Brand Name: Gvdlink | Certification: CE,ROHS,FCC | 
| Model Number: GVD-QSFP-40G-ER4 | Minimum Order Quantity: 1pcs | 
| Delivery Time: 1-5 working days | Payment Terms: T/T, Western Union, MoneyGram, L/C,Paypal | 
| Shenzhen Gaveid communication Technology Co.,Ltd [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Sourcelight or OEM | Certification: CE/FCC/RoHS/TUV/UL | 
| Model Number: QSFP-40G-ER4 | Minimum Order Quantity: 1PCS | 
| Delivery Time: Shipped in 1 days after PO confirmed | Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| Sourcelight Technology Limited [Guangdong] | |
| Active Member | |
| Brand Name: Wangtong | Certification: ISO9001 | 
| Model Number: 40G-QSFP+ PSM | Minimum Order Quantity: 1 piece | 
| Delivery Time: 5-10 days upon order quantitities | Payment Terms: L/C, T/T, Western Union,Paypal | 
| Shenzhen Wangtong Industry Company Limited [Guangdong,China] | |
| Active Member | |
| Brand Name: Wangtong | Certification: ISO9001 | 
| Model Number: 40G-QSFP+ PSM | Minimum Order Quantity: 1 piece | 
| Delivery Time: 5-10 days upon order quantitities | Payment Terms: L/C, T/T, Western Union,Paypal | 
| Shenzhen Wangtong Industry Company Limited [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Linkopto , or OEM | Certification: CE, FCC, ROHS, TUV, ISO9001 | 
| Model Number: QSFP-4X10G-LR-S | Minimum Order Quantity: 1pcs | 
| Delivery Time: 3-7 working days | Payment Terms: T/T, WU, PayPal, Moneygram, L/C | 
| Shenzhen linkopto Technology Co. Ltd [Guangdong,China] | |
| Active Member | |
| Brand Name: DONGWE | Certification: CE, FCC, RoHS | 
| Model Number: DW-D404C-10CQ | Minimum Order Quantity: 1 piece | 
| Delivery Time: 3-7 working days | Payment Terms: T/T | 
| Hongkong Dongwe Technologies Co., Ltd [Guangdong] | |
| Active Member | |
| Brand Name: Hilink | Certification: CE RoHS | 
| Model Number: OSFP-400GB-SR8 | Minimum Order Quantity: 1 pieces | 
| Delivery Time: 5-8 working day | Payment Terms: T/T, Western Union,Alipay, Paypal/Wechat/Trade Assurance | 
| Shenzhen HiLink Technology Co.,Ltd. [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Gvdlink | Certification: CE,ROHS,FCC | 
| Model Number: GVD-QSFP-100G-CLR4 | Minimum Order Quantity: 1pcs | 
| Delivery Time: 1-5 working days | Payment Terms: T/T, Western Union, MoneyGram, L/C,Paypal | 
| Shenzhen Gaveid communication Technology Co.,Ltd [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Cisco | Certification: CE | 
| Model Number: QSFP-40G-LR4 | Minimum Order Quantity: 1 PC | 
| Delivery Time: 1-2 DAYS | Payment Terms: T/T, Western Union, Paypal | 
| LonRise Equipment Co. Ltd. [Shanghai,China] | |
| Verified Supplier | |
| Brand Name: Compatible module | Certification: CE | 
| Model Number: QSFP+40G-eSM4 | Minimum Order Quantity: 1 PC | 
| Delivery Time: 1-2 days | Payment Terms: T/T, Western Union,Paypal | 
| LonRise Equipment Co. Ltd. [Shanghai,China] | |
| Verified Supplier | |
| Brand Name: Compatible module | Certification: CE | 
| Model Number: QSFP+ 40G-IR4-PSM | Minimum Order Quantity: 1 PC | 
| Delivery Time: 1-2 days | Payment Terms: T/T, Western Union,Paypal | 
| LonRise Equipment Co. Ltd. [Shanghai,China] | |
| Verified Supplier | |
| Brand Name: Neutral | Certification: CE, FCC, ROHS, ISO9001, ISO14000, MSDS, REACH, CP65, TUV, UL | 
| Model Number: QSFP-100G-ER4L-S | Minimum Order Quantity: 1 pc | 
| Delivery Time: 1-5 work days | Payment Terms: T/T, L/C | 
| Shenzhen Gigaopto Technology Co., Ltd. [China] | |
| Verified Supplier | |
| Brand Name: HILINK | Certification: CE FCC Rohs | 
| Model Number: QSFP28-SR4 100G | Minimum Order Quantity: 1pcs | 
| Delivery Time: 3-6 days | Payment Terms: T/T, Western Union | 
| Shenzhen HiLink Technology Co.,Ltd. [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: HILINK | Certification: CE FCC Rohs | 
| Model Number: HL-QSFP-40G-ER4 | Minimum Order Quantity: 1pcs | 
| Payment Terms: L/C, T/T, Western Union.Paypal | Place of Origin: Guangdong, China | 
| Shenzhen HiLink Technology Co.,Ltd. [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Gvdlink | Certification: CE,ROHS,FCC | 
| Model Number: GVD-QSFP-100G-SR4-S | Minimum Order Quantity: 1pcs | 
| Delivery Time: 1-5 working days | Payment Terms: T/T, Western Union, MoneyGram, L/C,Paypal | 
| Shenzhen Gaveid communication Technology Co.,Ltd [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: Nufiber | Certification: CE FCC | 
| Model Number: QSFP-40G-LR4 | Minimum Order Quantity: 1 piece | 
| Delivery Time: 2-3 days | Payment Terms: T/T, Western Union | 
| Shenzhen Fivision Digital Technology Co.,Ltd [China] | |
| Site Member | |
| Brand Name: Nufiber | Certification: CE FCC | 
| Model Number: QSFP-40G-ER4 | Minimum Order Quantity: 1 piece | 
| Delivery Time: 2-3 days | Payment Terms: T/T, Western Union | 
| Shenzhen Fivision Digital Technology Co.,Ltd [China] | |
| Site Member | |
| Brand Name: Gvdlink | Certification: CE,ROHS,FCC | 
| Model Number: GVD-QSFP-40G-LR4 | Minimum Order Quantity: 1pcs | 
| Delivery Time: 1-5 working days | Payment Terms: T/T, Western Union, MoneyGram, L/C,Paypal | 
| Shenzhen Gaveid communication Technology Co.,Ltd [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: SUNWISE | Certification: ROHS CE | 
| Model Number: CFP2 Fiber Optical Transceiver Module | Minimum Order Quantity: Negotiable | 
| Delivery Time: jumper 3 ~ 7 days; fiber optic cable and equipment 7 ~ 15 days | Payment Terms: Western union,T/T,PayPal | 
| Sunwise Optical Communication Equipment Co.,Ltd [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: HILINK | Certification: CE FCC Rohs | 
| Model Number: HL-QSFP-40G | Minimum Order Quantity: 1pcs | 
| Payment Terms: L/C, T/T, Western Union.Paypal | Place of Origin: Guangdong, China | 
| Shenzhen HiLink Technology Co.,Ltd. [Guangdong,China] | |
| Verified Supplier | |