Choosing the right suppliers is important for companies to provide raw materials for production in the long run. The sustainability of production activities is tightly controlled by suppliers in the manufacturing industry. A company in Mojokerto that manufactures PVC pipes falls under the plastic pipe industry sector. Raw materials for PVC resins must be ensured through assessments of suppliers. This study was conducted to determine which resin supplier was the best based on predetermined criteria. Variable include: price, quality, delivery, quantity accuracy, and service. To determine the order of preference for resin suppliers, this study uses AHP, which gives the individual a probability score for each criterion, and TOPSIS, which gives the user an indication of which supplier to choose when selecting a resin. As a result of data processing, suppliers are ranked based on their preferences. The preference values for each supplier are: supplier 1, which is 0.927; supplier 2, which is 0.739; supplier 3, which is 0.091; and supplier 4, which is 0.267. There are five parameters used in this study, and quality is known to have an influence of about 47% on the four suppliers. However, the delivery and service parameters only contribute 5%.
Good communication between buyers and sellers are important strategy for company to maintain the customer satisfaction, loyalty, and enhance financial performance. Complaint is a signal that indicates important information that needs quick response. On the other hand, environmental problems (i.e. waste, unused product and limitation of natural resources) become growing concern through the decade. This paper proposed House of Reverse Logistics (HRL) for connecting between customer needs and environmental problems. HRL effectively can minimize the customer complaint. Literature showed that Customer Needs and Reverse Logistics (RL) are effective method to solve these problems. The design of HRL was adopted from Quality Function Deployment (QFD)
Keywords-Reverse Logistics, Customer Perception, Quality Function DeploymentProcess, the topic focused on disassembly product, product return process, modelling systems remanufacturing management and coordinated along supply chain actors [18;19; 20; 21]. In other hand, [22], [23] and [24] focused on infrastructure design, and capacity production. RL Structure discussed on location and allocation planning [25; 26; 27; 28].
At the last decade, some environmental problems become increased. For that reason many companies are currently attention to environmental issues. The concern not only in the production process but in the overall activities. This research use the Green Supply Chain Operation Reference (Green SCOR) method to evaluating the green supply chain performance in steel company. Key Performance Indicator divided into five categories i.e. plan, source, make, deliver and return. The result of Monitoring System Performance Indicators is 67.73 (average category). From SNORM value in Traffic Light System, the water used is the lowest. And the value is 38. This shows a lack of performance value and needs improvement.
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