Industry professionals often complain: Selling the national standard is so difficult. You say it's the national standard, but those selling non-standard also claim theirs as national, and their prices are 10% cheaper than yours, leaving us helpless.

Here, Qingdao Haodong Cable takes a look back and summarizes the four-round showdown between national standards and non-standard products.

One, cost calculation based on the weight of copper. Initially, it was effective, but when producing to the national standard, a problem was overlooked. Your copper is oxygen-free rod, whereas the non-standard product is not. When the weight of scrap copper and oxygen-free rod is the same, the price difference between the two is 10%.

So, the national standard cable company put a lot of effort into promotion, but it failed. There's a 10% difference between the national standard and non-standard cables.

Two, cutting corners on auxiliary materials. The country has intensified resistance inspections and also increased checks on regular products. Unstandard cables are once again focusing on auxiliary materials. If copper accounts for 70% of the cable's cost, then the auxiliary material cost occupies about 20%. It's this 20% cost where even a slightly lower quality material can result in a 5% price difference from the national standard. As you've seen, many recently exposed cables have issues with their auxiliary materials.

Three, the issue of short lengths from wire to cable. In fact, this has always been a thing, and it's quite difficult to detect. It used to be common on the BV, such as 95-meter lines, 98-meter lines, or 90-meter ones. Now, with the increase in inspection items, all products are included, so non-standard products are again working on this direction. Everyone is advised to be cautious. Reducing one meter to 100 meters results in a 1% profit.

Four, thick at both ends and thin in the middle. That is to say, both ends of the cable meet national standards, while the middle section does not, thus saving a considerable amount of costs, which in turn results in a significantly lower price for the cable. After all, you can't possibly test the cable by cutting it in the middle, which is how these loopholes are exploited.

Currently, the fourth concern is particularly worrying as it involves both the user unit and cable manufacturers in hiding the issue, making it nearly impossible to investigate. Is it supposed to dig up the cables from underground for measurement? This also explains why, despite being labeled as "national standards," the prices can vary so greatly.